A solitary, unused to speaking of what he sees and feels, has mental experiences which are at once more intense and less articulate than those of a gregarious man.

To allow only the kind of art that the average man understands is the worst small-mindedness and the murder of mind and spirit. It is my conviction that the intellect can be certain that in doing what most disconcerts the crowd, in pursuing the most daring, unconventional advances and explorations, it will in some highly indirect fashion serve man - and in the long run, all men.

If you are possessed by an idea, you find it expressed everywhere, you even smell it.

What good would politics be, if it didn’t give everyone the opportunity to make moral compromises.

The Freudian theory is one of the most important foundation stones for an edifice to be built by future generations, the dwelling of a freer and wiser humanity.

(T)here was a story they used to tell at home about a girl whose punishment was that every time she opened her mouth, snakes and toads came out, snakes and toads with every word. The book didn't say what she did about it, but I've always assumed she probably ended up keeping her mouth shut.

What we call National-Socialism is the poisonous perversion of ideas which have a long history in German intellectual life.