The practical effect of a belief is the real test of its soundness.

The practical effect of a belief is the real test of its soundness.

What is wanted is not the will to believe, but the wish to find out, which is the exact opposite.

What is wanted is not the will to believe, but the wish to find out, which is the exact opposite.

It is wrong always, everywhere and for everyone to believe anything upon insufficient evidence.

It is wrong always, everywhere and for everyone to believe anything upon insufficient evidence.

A scholar's ink lasts longer than a martyr's blood.

A scholar's ink lasts longer than a martyr's blood.

Tell me your profession, and I will anticipate your beliefs.

Tell me your profession, and I will anticipate your beliefs.

Man can believe the impossible, but can never believe the improbable.

Man can believe the impossible, but can never believe the improbable.

Martyrs are needed to create incidents. Incidents are needed to create revolutions. Revolutions are needed to create progress.

Martyrs are needed to create incidents. Incidents are needed to create revolutions. Revolutions are needed to create progress.

I always prefer to believe the best of everybody, it saves so much trouble.

I always prefer to believe the best of everybody, it saves so much trouble.

I am just a common man who is true to his beliefs.

I am just a common man who is true to his beliefs.