Entire ignorance is not so terrible or extreme an evil, and is far from being the greatest of all.
PlatoWe must, if we are to be consistent, and if we re to have a real pedigree herd, mate the best of our men with the best of our women as often as possible, and the inferior men with the inferior women as seldom as possible, and keep only the offspring of the best.
PlatoWhen the mind's eye rests on objects illuminated by truth and reality, it understands and comprehends them, and functions intelligently; but when it turns to the twilight world of change and decay, it can only form opinions, its vision is confused and its beliefs shifting, and it seems to lack intelligence.
PlatoEven in reaching for the beautiful there is beauty, and also in suffering whatever it is that one suffers en route.
Plato