I often think that men don't understand what is noble and what is ignorant, though they always talk about it.

Freethinkers are those who are willing to use their minds without prejudice and without fearing to understand things that clash with their own customs, privileges, or beliefs. This state of mind is not common, but it is essential for right thinking.

The earth is the general and equal possession of all humanity and therefore cannot be the property of individuals.

The true office of any faith is to give life a meaning which death cannot destroy.

This history of culture will explain to us the motives, the conditions of life, and the thought of the writer or reformer.

The kinder and more intelligent a person is, the more kindness he can find in other people. Kindness enriches our life; with kindness mysterious things become clear, difficult things become easy and dull things become cheerful.

My principal sin is doubt. I doubt everything, and am in doubt most of the time.