The hypocrite who always plays one and the same part ceases at last to be a hypocrite.

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).

All truth is simple... is that not doubly a lie?

The secret of reaping the greatest fruitfulness and the greatest enjoyment from life is to live dangerously.

Learning from one's enemies is the best way to love them, for it puts one into a grateful mood toward them.

What do I care about the purring of one who cannot love, like the cat?

Only the most acute and active animals are capable of boredom.