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

A great truth is a truth whose opposite is also a truth.

Time cools, time clarifies; no mood can be maintained quite unaltered through the course of hours.

Distance in a straight line has no mystery. The mystery is in the sphere.

Reduced to a miserable mass level, the level of a Hitler, German Romanticism broke out into hysterical barbarism.

Stupid — well, there are so many kinds of stupidity, and cleverness is one of the worst.

Every reasonable human being should be a moderate Socialist.