Many writers are neither spirit nor wine, but rather spirits- of-wine: they can catch fire, and then they give off heat.

In constructing concepts, we overlook the fact that no two things are the same. There is no such thing as the concept of a leaf, only billions and billions of leaves.

What destroys a man more quickly than to work, think and feel without inner necessity, without any deep personal desire, without pleasure - as a mere automaton of duty?

Yet tell me, my brothers: if a goal for humanity is still lacking, is there not still lacking--humanity itself?

Not doubt, certainty is what drives one insane.

Men were considered "free" only so that they might be considered guilty - could be judged and punished: consequently, every act had to be considered as willed, and the origin of every act had to be considered as lying within the consciousness (and thus the most fundamental psychological deception was made the principle of psychology itself).

There will be but few people who, when at a loss for topics of conversation, will not reveal the more secret affairs of their friends.