One can hardly think too little of one's self. One can hardly think too much of one's soul.

Tolerance is the virtue of those who don't believe anything.

Employers will give time to eat, time to sleep; they are in terror of a time to think.

There are no words to express the abyss between isolation and having one ally. It may be conceded to the mathematician that four is twice two. But two is not twice one; two is two thousand times one.

The poet only asks to get his head into the heavens. It is the logician who seeks to get the heavens into his head. And it is his head that splits.

When some English moralists write about the importance of having character, they appear to mean only the importance of having a dull character.

Liberty has produced scepticism, and scepticism has destroyed liberty. The lovers of liberty thought they were leaving it unlimited, when they were only leaving it undefined. They thought they were only leaving it undefined, when they were really leaving it undefended.