Reason • Evidence • Ethics • Consequences

Question claims. Examine evidence. Follow reason.

Truth By Reason investigates beliefs, scriptures, institutions, social behaviour, political decisions, animal welfare, environmental questions and extraordinary claims through reasoning, evidence, logic, probability, ethics and consequences.

Whatever comes into existence under changing conditions will itself change

Evidence first

Begin with what can be observed, checked and supported.

Reasoned analysis

Test claims through logic, probability and critical examination.

Ethical consequences

Consider suffering, freedom, responsibility and practical effects.

Open to revision

Revise conclusions when stronger evidence or reasoning appears.

Latest conclusions

What we find to be true

Latest articles

Recent inquiries

Scripture analysis Religion & Belief

Can a Sacred Text Prove Its Own Authority?

Sacred texts often present themselves, their teachings or their messengers as authoritative. The question is whether internal claims can establish authority without independent support.

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Freedom and power

Latest freedom reports

Main inquiry areas

What Truth By Reason examines

Religion & Belief

Religious teachings, doctrine, faith, cults, spiritual authority and moral claims.

Science & Evidence

Claims tested through logic, evidence, psychology, uncertainty and scientific method.