Jesus was the greatest religious genius that ever lived.

The simplest schoolboy is now familiar with truths for which Archimedes would have sacrificed his life.

I can die when I wish to: that is my elixir of life.

Communism is in conflict with human nature.

Good humor is a philosophic state of mind; it seems to say to nature that we take her no more seriously than she takes us.

In morals, truth is but little prized when it is a mere sentiment, and only attains its full value when realized in the world as fact.

As a rule, all heroism is due to a lack of reflection, and thus it is necessary to maintain a mass of imbeciles. If they once understand themselves the ruling men will be lost.