beginner · 16 min
Last reviewed April 26, 2026

Faith and Evidence: Not Opposites

Is faith believing without evidence — or trusting on the basis of good reasons?

TextualPhilosophical

Why it matters

The idea that "faith = belief without evidence" is the single most common caricature in contemporary discourse. If Christians accept this definition, apologetics becomes pointless. If we challenge it, we discover that biblical faith has always meant something much closer to warranted trust.

The main case

The Greek word pistis means trust or confidence, not credulity. In the New Testament, faith is consistently grounded in what has been seen, heard, and historically attested (Luke 1:1-4; 1 John 1:1-3; 1 Cor 15:3-8). Hebrews 11:1 defines faith as "the assurance of things hoped for, the conviction of things not seen" — but the surrounding chapter grounds each example of faith in God's past demonstrated acts. Faith, biblically, is trust proportioned to evidence, not contrary to it. The popular "faith is pretending to know things you do not know" definition is a recent rhetorical move, not a historic definition.

Argument map

Premises
P1

The NT uses pistis in the sense of reasoned trust (trusting a doctor, a bridge, a testimony).

P2

NT authors repeatedly appeal to eyewitness evidence, historical events, and fulfilled prophecy.

P3

Every NT model of faith (Abraham, the disciples, Paul) is faith in someone who has given grounds to be trusted.

Conclusion

Biblical faith is rational trust grounded in evidence, not a leap against evidence.

Objections & rebuttals
Objection

Hebrews 11:1 describes faith as conviction of things "not seen."

Rebuttal

"Not seen" means not directly visible now — a future hope. The chapter then lists historically-grounded faith based on past acts of God that were seen and remembered.

Objection

Jesus blesses those who have not seen and yet believe (John 20:29).

Rebuttal

He commends those who believe on the basis of apostolic testimony — that is, evidence from witnesses — rather than demanding personal autopsy. This is reasonable trust, not blind leap.

Claim · Evidence · Objection · Response

1.The New Testament consistently appeals to evidence.

Widely accepted

Evidence

  • Luke 1:1-4: Luke bases his Gospel on careful investigation of eyewitnesses.
  • 1 John 1:1-3: John grounds his message in what "we have heard, seen with our eyes, looked upon, touched."
  • 1 Cor 15:3-8: Paul offers a list of living witnesses for the resurrection.
  • Acts 1:3: Jesus presented himself alive "by many proofs."

Strongest objection

"These are later texts that reflect the church's apologetic concerns, not Jesus' original teaching."

Response

Even skeptical NT scholars (e.g., Bauckham on eyewitness testimony) affirm the NT's evidential posture is early and embedded. Jesus himself pointed to his works as evidence (John 10:38; Matt 11:2-6).

Textual
Sources
  • Four Canonical Gospels (c. AD 55-95)primary
  • 1 Corinthians 15:3-8 (early creed) — Paul of Tarsus (c. AD 53-55)scripture
  • Jesus and the Eyewitnesses — Richard Bauckham (2006 (rev. 2017))scholarlyFind on Amazon

2."Faith without evidence" is a 19th-20th century redefinition, not a historic one.

Majority view

Evidence

  • Classical and medieval theologians (Augustine, Aquinas) explicitly ground faith in reason and evidence.
  • The Latin phrase fides quaerens intellectum — "faith seeking understanding" — is a programmatic medieval slogan.
  • The contemporary redefinition stems largely from popular atheist rhetoric (e.g., Mark Twain, Dawkins).

Strongest objection

"Tertullian said "I believe because it is absurd.""

Response

That is a mistranslation of a rhetorical point in De Carne Christi; Tertullian is arguing that no one would invent such a story, which makes it likelier to be true. It is a probabilistic argument, not a celebration of irrationality.

TextualPhilosophical
Sources
  • Warranted Christian Belief — Alvin Plantinga (2000)scholarlyFind on Amazon
  • Reasonable Faith — William Lane Craig (2008 (3rd ed.))scholarlyFind on Amazon

What scholars debate

's Reformed Epistemology argues belief in God can be "properly basic" (rational without inferential argument), akin to belief in other minds or the past. Evidentialists such as argue for building cumulative inferential cases. Both schools reject the faith-vs-evidence dichotomy.

Reflection

  • 1.What definition of faith did you grow up with? Where did it come from?
  • 2.Is there anything else in life you trust without evidence? What evidence does your trust rest on?
  • 3.How would your conversations change if you replaced "blind faith" with "warranted trust" in your vocabulary?

Key sources

Sources
  • 1 Peter 3:15scripture
  • 1 Corinthians 15:3-8 (early creed) — Paul of Tarsus (c. AD 53-55)scripture
  • Warranted Christian Belief — Alvin Plantinga (2000)scholarlyFind on Amazon
  • Reasonable Faith — William Lane Craig (2008 (3rd ed.))scholarlyFind on Amazon

Featured thinkers

Alvin Plantinga
John A. O'Brien Professor of Philosophy Emeritus, Notre Dame

A founding figure of the revival of Christian philosophy in the 20th century, known for Reformed Epistemology, the Free Will Defense, and the Evolutionary Argument Against Naturalism.

Notable: God and Other Minds; Warranted Christian Belief
William Lane Craig
Philosopher and theologian (PhD Birmingham, ThD Munich)

A leading contemporary defender of the Kalam cosmological argument and the historicity of the resurrection.

Notable: Reasonable Faith; The Kalam Cosmological Argument
C.S. Lewis
Oxford scholar, literary critic, lay theologian

Twentieth-century Oxford and Cambridge scholar whose works on moral reasoning, joy, and the reasonableness of Christianity shaped modern apologetics.

Notable: Mere Christianity; The Problem of Pain
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