For what reason then do the realists show themselves so unfriendly toward philosophy? Because they misunderstand their own calling and with all their might want to remain restricted instead of becoming unrestricted! Why do they hate abstractions? Because they themselves are abstract since they abstract from the perfection of themselves, from the elevation of redeeming truth!

The men of the future will yet fight their way to many a liberty that we do not even miss.

The moral man is necessarily narrow in that he knows no other enemy than the immoral man. He who is not moral is immoral! and accordingly reprobate, despicable, etc. Therefore, the moral man can never comprehend the egoist.

There are intellectual vagabonds, to whom the hereditary dwelling-place of their fathers seems too cramped and oppressive for them to be willing to satisfy themselves with the limited space any more: instead of keeping within the limits of a temperate style of thinking, and taking as inviolable truth what furnishes comfort and tranquility to thousands, they overlap all bounds of the traditional and run wild with their imprudent criticism and untamed mania for doubt, these extravagating vagabonds.

Crimes spring from fixed ideas.

We don't call it sin today, we call it self-expression.

A race of altruists is necessarily a race of slaves. A race of free men is necessarily a race of egoists.