No evil can happen to a good man either in life or after death.

O youth or young man, who fancy that you are neglected by the gods, know that if you become worse, you shall go to worse souls, or if better to the better... In every succession of life and death, you will do and suffer what like may fitly suffer at the hands of like. This is the justice of heaven.

You cannot conceive the many without the one...The study of the unit is among those that lead the mind on and turn it to the vision of reality.

The science [geometry] is pursued for the sake of the knowledge of what eternally exists, and not of what comes for a moment into existence, and then perishes.

Human behavior flows from three main sources: desire, emotion, and knowledge.

The man who arrives at the doors of artistic creation with none of the madness of the Muses would be convinced that technical ability alone was enough to make an artist... what that man creates by means of reason will pale before the art of inspired beings.

And is there anything more closely connected with wisdom than truth?