Is there anyone to whom you entrust a greater number of serious matters than your wife? And is there anyone with whom you have fewer conversations?

I believe that we cannot live better than in seeking to become better, nor more agreeably than having a clear conscience.

Antiphon, as another man gets pleasure from a good horse, or a dog, or a bird, I get even more pleasure from good friends. And if I have something good, I teach it to them, and I introduce them to others who will be useful to them with respect to virtue. And together with my friends I go through the treasures of wise men of old which they left behind written in books, and we peruse them. If we see something good, we pick it out and hold it to be a great profit, if we are able to prove useful to one another.

I call myself a Peaceful Warrior... because the battles we fight are on the inside.

If the whole world depends on today's youth, I can't see the world lasting another 100 years.

Knowing thyself is the height of wisdom.

The young people of today think of nothing but themselves. They have no reverence for parents or old age. They are impatient of all restraint. They talk as if they alone knew everything and what passes for wisdom with us is foolishness with them. As for girls, they are forward, immodest and unwomanly in speech, behaviour and dress.