Test Everything

Does the Bible Tell You to Check It?

A Scripture Study · 18 Passages, Grouped by Who Is Speaking · One Greek Distinction That Settles It

Abstract — A common objection holds that faith means believing without checking — that to examine a claim about God is already to distrust Him. Scripture says the reverse. Across both Testaments — in the mouth of Jesus, of the apostles, and of God addressing the nations — the text repeatedly commands the reader to examine, weigh, cross-examine, and test claims made in God's name, and it supplies falsifiable criteria for doing so. This study assembles the strongest such passages, grouped by who is speaking, then resolves the single verse usually raised in objection — "You shall not put the Lord your God to the test" (Matt 4:7) — in the Greek: what is forbidden (ἐκπειράζω, to demand a proof-performance) is not what is commanded (δοκιμάζω, to assay a claim for genuineness). The Bible does not ask you to switch off judgment. It asks you to judge rightly.

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What this page proves — and what it doesn't

An honest frame before the evidence

This is an internal-coherence argument, and only that. It establishes one thing: that the Bible, on its own terms, commands you to test claims made in God's name rather than forbidding it. That disarms the charge that Christianity asks for credulity. It does not, by itself, show that the claims pass the test — that the prophecies landed, that Jesus rose, that the manuscripts are sound. That is the work of the rest of the case; here we only establish that Scripture hands you the measuring stick and tells you to use it.

Quotations below are the author's close renderings of the Greek and Hebrew, chosen for accuracy over any one translation; chapter-and-verse references are locating anchors — read them in a full Bible in context. Where a single word carries the argument (and it often does), the underlying Greek or Hebrew is given so the reader can check it independently.

I · The evidence at a glance — by speaker

Jesus invites the test	7	He names what would disqualify Him and points to the works.
The direct command	5	Apostolic imperative: test everything; be ready to give a reason.
OT falsifiable criteria	4	God proposes the standard both sides get measured by.
The one counter-verse	1	Matt 4:7 — forbids a different act; resolved in the Greek.
Passages examined	17	Two Testaments · one consistent posture.

II · Contents

The objection, and the word for "test"
Jesus himself invites the test
The direct command: test everything
The Old Testament's falsifiable criteria
The one verse against — and why it isn't
Synthesis: the two-rule logic

1.The objection, and the word for "test"

A moneylender weighing gold coins on a balance while his wife reads — Fig. 1 — The governing image of the New Testament word for "test." δοκιμάζω (*dokimazō*) is the metal-worker's verb: **assay the coin on the balance**, see whether the gold is genuine. Note the open book at the wife's hand — the scales and the Word on one table. Quentin Matsys, *The Moneylender and His Wife* (1514), Louvre. Public domain, Wikimedia Commons.

The objection is familiar and it sounds pious: real faith doesn't ask for evidence; to put a claim about God under examination is already a failure of trust. On this view, doubt is a sin and verification is its instrument. If that were the Bible's own posture, a page like this one could not be written honestly.

But it is not the Bible's posture. The text's characteristic command about truth-claims is not accept but assay. The key New Testament verb is δοκιμάζω (dokimazō) — a word drawn straight from the metal trade: to put gold or a coin to the touchstone and the balance and determine whether it is what it claims to be. The same root yields δόκιμος (dokimos), "approved — having passed the test." To "test" in this sense is not to sneer; it is to weigh honestly, with the expectation that genuine metal will survive the assay. That is exactly what Scripture asks you to do with claims made in God's name — including the claims of Jesus himself.

What follows is organized not by topic but by who is speaking, because that is where the force lies: the invitation to test comes first from the One being tested.

2.Jesus himself invites the test

The strongest material is not a later apologist defending Jesus; it is Jesus staking his own credibility on checkable results and telling his hearers to apply the check. He names the condition that would disqualify him and then invites the inspection.

John 10:37–38Jesus · at the Temple

"If I am not doing the works of my Father, then do not believe me; but if I do them, even though you do not believe me, believe the works — that you may know and understand that the Father is in me and I in the Father."

He states his own disqualifier aloud — "do not believe me" is his sentence — and offers the evidential route to anyone unmoved by his word. Invitation

John 14:11Jesus · to the disciples

"Believe me that I am in the Father and the Father in me, or else believe on account of the works themselves."

The evidence route is offered without complaint — testimony first, but if not testimony, then the works. Invitation

Caravaggio: Thomas placing his finger in the wound of the risen Christ — Fig. 2 — The risen Christ meets a skeptic's condition *exactly as the skeptic set it.* Thomas had demanded to place his finger in the wounds; Jesus answers, *"Put your finger here… do not disbelieve, but believe"* (John 20:27), and tells the rest to touch him because *"a spirit does not have flesh and bones"* (Luke 24:39). Caravaggio, *The Incredulity of Saint Thomas* (c. 1601–02), Sanssouci. Public domain, Wikimedia Commons.

John 20:27 · Luke 24:39Jesus · after the resurrection

"Put your finger here, and see my hands; and put out your hand, and place it in my side. Do not disbelieve, but believe." … "Touch me and see. A spirit does not have flesh and bones as you see that I have."

Jesus does not rebuke Thomas for wanting physical confirmation — he satisfies the exact test Thomas named, and invites the others to run it too. Invitation

Leonardo da Vinci: Saint John the Baptist pointing upward — Fig. 3 — Even John the Baptist asked. Imprisoned and awaiting death, he sent to ask whether Jesus was truly "the one who is to come." Jesus answered not with reproach but with a **list of observations** to carry back (Matt 11:4–6). Leonardo da Vinci, *Saint John the Baptist* (c. 1513–16), Louvre. Public domain, Wikimedia Commons.

Matthew 11:4–6Jesus · answering John's messengers

"Go and tell John what you hear and see: the blind receive sight and the lame walk, lepers are cleansed and the deaf hear, the dead are raised, and the poor have good news preached to them. And blessed is the one who is not offended by me."

The doubter is the forerunner himself — and Jesus treats the doubt as reasonable, replying with reportable, observable facts, not a demand to stop asking. Invitation

Revelation 2:2The risen Christ · to Ephesus

"I know your works… and how you tested those who call themselves apostles and are not, and found them to be false."

The glorified Christ commends a church for vetting apostolic claims — testing authority is praised, not punished. Commended

Carl Bloch: the Sermon on the Mount — Fig. 4 — "Why do you not **judge for yourselves** what is right?" (Luke 12:57). The teacher who warned against hypocritical judging (Matt 7) is the same teacher who rebukes people for **failing to reason** — the target is bad judgment, never judgment itself. Carl Heinrich Bloch, *The Sermon on the Mount* (1877). Public domain, Wikimedia Commons.

Luke 12:56–57Jesus · to the crowds

"You know how to interpret the appearance of earth and sky, but why do you not know how to interpret the present time? And why do you not judge for yourselves what is right?"

The rebuke is for failing to reason — they read weather signs competently but refuse to read the evidence in front of them. Invitation

John 7:24Jesus · at the feast

"Do not judge by appearances, but judge with right judgment."

Not don't judge — judge better. The command is to upgrade the quality of discernment, not abandon it. Invitation

3.The direct command: test everything

Beyond invitation, there is outright imperative. The apostolic writers do not hedge discernment as a danger; they command it, in the second person, with no exemption clause for claims about God — and they place themselves under the same standard they impose.

1 Thessalonians 5:21Paul · to the church

"Test everything (πάντα δοκιμάζετε); hold fast what is good."

The assayer's verb again, in the imperative, with the object everything — no carve-out for sacred claims. Test first; then hold fast. Command

1 John 4:1John · to the churches

"Beloved, do not believe every spirit, but test the spirits (δοκιμάζετε τὰ πνεύματα) to see whether they are from God, for many false prophets have gone out into the world."

Credulity toward the spiritual is explicitly forbidden. The default is verify, precisely because counterfeits exist. Command

Raphael: St Paul Preaching in Athens — Fig. 5 — Paul reasons in the open market and at the Areopagus; some mock, some defer, some believe. In this same vein Luke calls the Bereans **"more noble"** for cross-examining Paul's preaching against the Scriptures *daily* (Acts 17:11) — fact-checking an apostle is the compliment, not the offense. Raphael, *St Paul Preaching in Athens* (1515 cartoon), V&A. Public domain, Wikimedia Commons.

Acts 17:11Luke · of the Bereans

"Now these were more noble (εὐγενέστεροι) than those in Thessalonica; they received the word with all eagerness, examining the Scriptures daily (ἀνακρίνοντες) to see whether these things were so."

They cross-examine an apostle — ἀνακρίνω is a courtroom word, judicial investigation — and Luke calls it nobility, not insolence. Commended

1 Peter 3:15Peter · to the scattered church

"Always be prepared to make a defense (ἀπολογία) to anyone who asks you for a reason (λόγος) for the hope that is in you — yet with gentleness and respect."

ἀπολογία is the legal term for a courtroom defense; λόγος is a reasoned account. Faith is expected to be able to answer the cross-examination. Command

Galatians 1:8Paul · putting himself under the rule

"But even if we, or an angel from heaven, should preach to you a gospel contrary to the one we preached, let him be accursed."

Paul subjects himself and an angel to the same fixed standard — the message already tested and received. Authority doesn't exempt the messenger; it binds him. Command

4.The Old Testament's falsifiable criteria

This is not a New-Testament innovation. The Hebrew Bible had already built testable criteria into the definition of a true prophet — and even put the reader's skeptical question into the text, in the reader's own mouth, before answering it.

Rembrandt: Moses holding up the tablets of the Law — Fig. 6 — The Law that gives Israel its prophets also gives Israel the **test** for them. Deuteronomy puts the question *"How shall we know…?"* in the reader's mouth and answers it with a falsifiable rule. Rembrandt, *Moses with the Ten Commandments* (1659), Gemäldegalerie Berlin. Public domain, Wikimedia Commons.

Deuteronomy 18:21–22Moses · the prophet test

"And if you say in your heart, 'How may we know the word the LORD has not spoken?' — when a prophet speaks in the name of the LORD, if the word does not come to pass… that is a word the LORD has not spoken."

The text voices the reader's doubt and then answers it with a clean, falsifiable criterion: did it come true. Criterion

Deuteronomy 13:1–3Moses · the second criterion

"If a prophet arises… and gives you a sign or wonder, and the sign comes to pass, but he says, 'Let us go after other gods'… you shall not listen. For the LORD your God is testing you."

A working miracle still doesn't clear a false prophet. Power is not authority; the message must also be true. That second criterion is what makes it a real test. Criterion

Michelangelo: a brooding Hebrew prophet, the Prophet Jeremiah — Fig. 7 — God stakes his own case on **predictive accuracy** and dares the rival gods to match it: *"Set forth your case… bring your proofs… tell us what is to come"* (Isa 41:21–23). Fulfilled prediction is offered as the measurable standard *both sides* accept. Michelangelo, *The Prophet Jeremiah* (1508–12), Sistine Chapel ceiling. Public domain, Wikimedia Commons.

Isaiah 41:21–23God · to the nations' gods

"Set forth your case, says the LORD; bring your proofs, says the King of Jacob… Tell us what is to come hereafter, that we may know that you are gods."

God himself proposes the test — verifiable prediction — as the criterion by which divine claims (his included) may be measured. Criterion

Proverbs 18:17Wisdom · on hearing both sides

"The one who states his case first seems right, until the other comes and examines him (חָקַר, ḥāqar — searches out, cross-examines)."

Proverbial wisdom codifies the courtroom instinct: don't settle on the first account; let it be cross-examined. Criterion

5.The one verse against — and why it isn't

One verse is routinely raised on the other side, and it deserves a straight answer rather than a dodge. Jesus, refusing Satan's dare on the Temple parapet, quotes Deuteronomy: "You shall not put the Lord your God to the test" (Matt 4:7). If Scripture forbids testing God, does it not contradict everything above?

No — and the resolution is the best thing on the page, because it turns on two different Greek verbs with two different objects. The resolution is not special pleading; it is lexical.

Ary Scheffer: the Temptation of Christ — Fig. 8 — What Satan proposes on the parapet — *jump, and make God catch you* — is not an assay of a claim but a **demand for a proof-performance.** Jesus names it with the verb for exactly that: ἐκπειράζω (Matt 4:7, quoting Deut 6:16). Ary Scheffer, *The Temptation of Christ* (1854). Public domain, Wikimedia Commons.

Table 1 · Two Greek verbs — the distinction that dissolves the apparent contradiction.
Word	Sense	Where it appears	What the act is
δοκιμάζω dokimazō	Assay for genuineness — the metallurgist's word: test the metal, approve what is real.	1 Thess 5:21 "test everything"; 1 John 4:1 "test the spirits"; and throughout.	Commanded. Applied to a claim: weigh it honestly and keep what proves true.
ἐκπειράζω ekpeirazō	Provoke, challenge, dare — put someone on the spot to perform on demand.	Matt 4:7 "you shall not put… to the test" (quoting Deut 6:16, the LXX of Massah, מַסָּה).	Forbidden. Applied as a demand: a refusal to trust that insists God prove himself on cue.

The hinge Examining whether a claim about God is true is commanded (δοκιμάζω). Demanding that God perform a stunt to satisfy you is forbidden (ἐκπειράζω). They are different verbs with different objects — the first applied to a claim, the second aimed at God as a provocation. The backstory confirms it: Matt 4:7 quotes Deut 6:16, "as you tested him at Massah" — Exodus 17, where Israel demanded water as the price of continued belief. That is the attitude Jesus refuses. It is the opposite of the Berean who opens the Scriptures to check the claim.

Matthew 4:7Jesus · refusing the dare

"Again it is written, 'You shall not put the Lord your God to the test' (οὐκ ἐκπειράσεις)."

Not a ban on examining the evidence — a ban on demanding a proof-performance as a condition of trust. Different verb, different act. Different act

6.Synthesis: the two-rule logic

Put the whole corpus side by side and a single, consistent rule emerges — not a tension to be managed but a distinction held deliberately from Genesis to Revelation.

Command the text orders it, imperative Invitation the speaker offers the test Criterion a falsifiable standard is given Different act the one verse — forbids something else

Table 2 · The whole case on one page — who speaks, what they say, what it tells you to do.
Reference	Who speaks	What it establishes	Type
John 10:37–38	Jesus	Names his own disqualifier; points to the works.	Invitation
John 14:11	Jesus	Offers the evidence route — "believe the works."	Invitation
Matt 11:4–6	Jesus	Answers the Baptist's doubt with observations.	Invitation
John 20:27 · Lk 24:39	Jesus	Meets Thomas's physical test exactly as set.	Invitation
Luke 12:56–57	Jesus	Rebukes failure to reason — "judge for yourselves."	Invitation
John 7:24	Jesus	"Judge with right judgment" — upgrade, don't abandon.	Invitation
Rev 2:2	Risen Christ	Commends a church for testing false apostles.	Commended
1 Thess 5:21	Paul	"Test everything; hold fast what is good."	Command
1 John 4:1	John	"Do not believe every spirit, but test the spirits."	Command
Acts 17:11	Luke	Bereans cross-examine Paul daily — called noble.	Commended
1 Peter 3:15	Peter	Be ready with a defense (ἀπολογία) and a reason.	Command
Galatians 1:8	Paul	Puts himself and an angel under one standard.	Command
Deut 18:21–22	Moses / God	Prophet test: did the word come to pass.	Criterion
Deut 13:1–3	Moses / God	A working miracle still can't clear a false message.	Criterion
Isaiah 41:21–23	God	"Bring your proofs" — prediction as the standard.	Criterion
Proverbs 18:17	Wisdom	Cross-examine before settling on the first account.	Criterion
Matthew 4:7	Jesus	Forbids demanding a proof-performance (ἐκπειράζω).	Different act

What changed · what it means · what to do
What changed — the usual framing ("faith means not checking") is simply not the Bible's own framing. The text's dominant instruction about truth-claims is assay them.
What it means — the Christian is on the Bible's own ground when demanding evidence, cross-examining teachers, and asking "how would I know if this were false?" The one counter-verse forbids a different act — provoking God on demand — not honest examination.
What to do — use the measuring stick the text hands you. Run the actual tests the rest of this case lays out: the datable prophecies and whether they landed, the manuscript transmission, and the evidence for the resurrection. This page only clears the ground; the ground is now clear.

Deuteronomy puts the skeptic's question — "How may we know?" — into the reader's own mouth and then answers it. Isaiah has God say "bring your proofs." Luke calls the fact-checkers noble. Peter wants a courtroom defense ready. And Jesus, more than anyone, names what would prove him false and says: then look at the works. The Bible does not fear the test. It wrote the test.

GodExamined.com · Scripture Study · "Test Everything" — Does the Bible Tell You to Check It?
17 passages · 2 Testaments · 1 lexical distinction (δοκιμάζω vs ἐκπειράζω) · Renderings by the author from the Greek & Hebrew · Figures: public-domain art, Wikimedia Commons