One who makes himself a worm cannot complain afterwards if people step on him.

But only he who, himself enlightened, is not afraid of shadows.

Metaphysics is a dark ocean without shores or lighthouse, strewn with many a philosophic wreck.

Freedom is the alone unoriginated birthright of man, and belongs to him by force of his humanity.

Even philosophers will praise war as ennobling mankind, forgetting the Greek who said: 'War is bad in that it begets more evil than it kills.'

I had therefore to remove knowledge, in order to make room for belief.

All perception is colored by emotion.