If language had been the creation not of poetry but of logic, we should only have one.

If you hate something thoroughly without knowing why, you can be sure there is something of it in your own nature.

There are persons who always find a hair in their plate of soup for the simple reason that, when they sit down before it, they shake their heads until one falls in.

Reason is the substance of the universe. The design of the world is absolutely rational.

What you can become you are already.

What a vast difference there is between the barbarism that precedes culture and the barbarism that follows it.

Whoever wants to be a judge of human nature should study people's excuses.