He who knoweth the reader, doeth nothing more for the reader. Another century of readers - and spirit itself will stink.

One does not know - cannot know - the best that is in one.

If one considers how much reason every person has for anxiety and timid self-concealment, and how three-quarters of his energy and goodwill can be paralyzed and made unfruitful by it, one has to be very grateful to fashion

One must shed the bad taste of wanting to agree with many. "Good" is no longer good when one's neighbor mouths it. And how should there be a "common good"! The term contradicts itself: whatever can be common always has little value. In the end it must be as it is and always has been: great things remain for the great, abysses for the profound, nuances and shudders for the refined, and, in brief, all that is rare for the rare.

It is not in how one soul approaches another but in how it withdraws that I knowr its affinity and solidarity with the other.

Mathematics is merely the means to a general and ultimate knowledge of man.

We talk about taking "pleasure in a thing": but in truth it is pleasure in ourselves, mediated by a thing.