Against war one might say that it makes the victor stupid and the vanquished malicious. In its favor, that in producing these two effects it barbarizes, and so makes the combatants more natural. For culture it is a sleep or a wintertime, and man emerges from it stronger for good and for evil.

In war personal revenge maintains its silence.

Nothing is beautiful, only man: on this piece of naivete rests all aesthetics, it is the first truth of aesthetics. Let us immediately add its second: nothing is ugly but degenerate man - the domain of aesthetic judgment is therewith defined.

However modest one may be in one's demand for intellectual cleanliness, one cannot help feeling, when coming into contact with the New Testament, a kind of inexpressible discomfiture: for the unchecked impudence with which the least qualified want to raise their voice on the greatest problems, and even claim to be judges of such things, surpasses all measure. The shameless levity with which the most intractable problems (life, world, God, purpose of life) are spoken of, as if they were not problems at all but simply things that these little bigots knew!

One must be a sea, to receive a polluted stream without becoming impure.

The drive toward knowledge has a moral origin.

You must climb above yourself-up and beyond, until you have even your stars under you.