If religion cannot restrain evil, it cannot claim effective power for good.

All logic texts are divided into two parts. In the first part, on deductible logic, the fallacies are explained; in the second part, on inductive logic, they are committed.

Lastly, literature and philosophy both allow past idols to be resurrected with a frequency which would be truly distressing to a sober scientist.

If a philosophic theory is once ruled out of court, no one can tell when it will appear again.

The picture which the philosopher draws of the world is surely not one in which every stroke is necessitated by pure logic.

A creative element is surely present in all great systems, and it does not seem possible that all sympathy or fundamental attitudes of will can be entirely eliminated from any human philosophy.

The business of the philosopher is well done if he succeeds in raising genuine doubt.