Art depends upon the inexactitude of sight.

A pair of powerful spectacles has sometimes sufficed to cure a person in love.

In morality, man treats himself not as individuum but as dividuum.

Strength is the morality of the man who stands out from the rest, and it is mine.

Genuine historical knowledge requires nobility of character, a profound understanding of human existence - not detachment and objectivity.

We have arranged for ourselves a world in which we can live - by positing bodies, lines, planes, causes and effects, motion and rest, form and content; without these articles of faith nobody could now endure life. But that does not prove them. Life is no argument. The conditions of life might include error.

Physiologists should think before putting down the instinct of self-preservation as the cardinal instinct of an organic being. A living thing seeks above all to discharge its strength--life itself is will to power; self-preservation is only one of the indirect and most frequent results.