Thinking is easy, acting is difficult, and to put one's thoughts into action is the most difficult thing in the world.

I am not omniscient, but I know a lot.

It is not doing the thing we like to do, but liking the thing we have to do, that makes life blessed.

A school of art or of anything else is to be looked on as a single individual, who keeps talking to himself for a hundred years, and feels an extreme satisfaction with his own circle of favorite ideas, be they ever so silly.

First and last, what is demanded of genius is love of truth.

We are pantheists as natural scientists, polytheists as poets, and monotheists as moral beings.

The person who in shaky times also wavers only increases the evil, but the person of firm decision fashions the universe.