We must repay goodness and wickedness: but why exactly to the person who has done us a good or a wicked turn?

Wherever progress is to ensue, deviating natures are of greatest importance.

Let thy virtue be too high for the familiarity of names, and if thou must speak of it, be not ashamed to stammer about it.

In the knowledge of truth, what really matters is the possession of it, not the impulse under which it was sought.

Full is the earth of the superfluous; marred is life by the many-too-many. May they be decoyed out of this life by the "life eternal"!

Error has made man so deep, sensitive, and inventive that he has put forth such blossoms as religions and arts. Pure knowledge could not have been capable of it.

What is done out of love always occurs beyond good and evil.