Let us affirm what seems to be the truth, that, whether one is or is not, one and the others in relation to themselves and one another, all of them, in every way, are and are not, and appear to be and appear not to be.

Time on its back bears all things far away - Full many a challenge is wrought by many a day - Shape, fortune, name, and nature all decay

The beginning is the most important part of any work, especially in the case of a young and tender thing; for that is the time at which the character is being formed and the desired impression is more readily taken.

We 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.

All I really know is the extent of my own ignorance

Wise men speak because they have something to say

The soul is like a pair of winged horses and a charioteer joined in natural union.