Great is the issue at stake, greater than appears, whether a man is to be good or bad. And what will any one be profited if, under the influence of money or power, he neglect justice and virtue?

And what, Socrates, is the food of the soul? Surely, I said, knowledge is the food of the soul.

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 one who learns and learns and doesn't practice is like the one who plows and plows and never plants.

I exhort you also to take part in the great combat, which is the combat of life, and greater than every other earthly conflict.

The human race will have no respite from evils until those who are really philosophers acquire political power or until, through some divine dispensation, those who rule and have political authority in the cities become real philosophers.

It behooves those who take the young to task to leave them room for excuse, lest they drive them to be hardened by too much rebuke.