I assess the power of a will by how much resistance, pain, torture it endures and knows how to turn to its advantage.

We must beware of one who is in a passion against us as of one who has once sought our life; for the fact that we still live is due to the absence of power to kill, - if looks could kill, we should have been dead long ago.

Iron necessity is a thing which in the course of history men come to see as neither iron nor necessary.

Objection, evasion, joyous distrust, and love of irony are signs of health; everything absolute belongs to pathology.

As a result, nature is something entirely different from what comes to mind when we invoke its name.

I know of no better life purpose than to perish in attempting the great and the impossible.

"State," I call it, where they all drink poison, the good and the wicked; "state," where they all lose themselves, the good and the wicked; "state," where they all call their slow suicide-"life."