All education is the art of making men ethical (sittlich), of transforming the old Adam into the new Adam.

Truth is found neither in the thesis nor the antithesis, but in an emergent synthesis which reconciles the two.

It is because the method of physics does not satisfy the comprehension that we have to go on further.

The learner always begins by finding fault, but the scholar sees the positive merit in everything.

Beauty and art pervade all the business of life like a kindly genius, brightly adorning our surroundings whether interior or exterior, mitigating the seriousness of existence and the complexities of the real life, extinguishing idleness in an entertaining fashion, and, where there is nothing good to be achieved, filling the place of vice better than vice itself.

History is not the soil of happiness. The periods of happiness are blank pages in it.

Destiny is consciousness of oneself, but consciousness of oneself as an enemy.