He who cannot obey himself will be commanded. That is the nature of living creatures.

The charm of the Platonic mode of thought ... consisted precisely in the resistance to the obvious evidence of the senses.

Extreme positions are not succeeded by moderate ones but by extreme positions of the opposite kind.

The lie is a condition of life.

Words are but symbols for the relations of things to one another and to us; nowhere do they touch upon absolute truth... Through words and concepts we shall never reach beyond the wall off relations, to some sort of fabulous primal ground of things.

The surest way to corrupt a youth is to instruct him to hold in higher esteem those who think alike than those who think differently.

Some are made modest by great praise, others insolent.