Whoever does not philosophize for the sake of philosophy, but rather uses philosophy as a means, is a sophist.

Imagination must first be filled to the point of saturation with life of every kind before the moment arrives when the friction of free sociability electrifies it to such an extent that the most gentle stimulus of friendly or hostile contact elicits from it lightning sparks, luminous flashes, or shattering blows.

Every philosophical review ought to be a philosophy of reviews at the same time.

A good preface must be the root and the square of the book at the same time.

Set religion free, and a new humanity will begin.

All the classical genres are now ridiculous in their rigorous purity.

The following are the universally fundamental laws of literary communication: 1. one must have something to communicate; 2. one must have someone to whom to communicate it; 3. one must really communicate it, not merely express it for oneself alone. Otherwise it would be more to the point to remain silent.