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

Religion is the highest vanity.

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

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

Most people are good only so long as they believe others to be so.

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

What you can become you are already.