To be a hero or a heroine, one must give an order to oneself.
To be free in an age like ours, one must be in a position of authority. That in itself would be enough to make me ambitious.
If we want the Republic to be solid, we must first build its foundation. We need not look abroad for this foundation; we should seek it in the hearts of all the people of the nation.
It is crucial to be healthy, for pain wipes out the possibility for pleasure, and severe pain removes the possibility of turning to the world outside the body. So we must establish the idea that it is important to look well, not to look young.
We must begin to shift the emphasis of teen-age pregnancy to teen-age boys.
Pythagoras said that medicine is the most godlike of arts. But if the most godlike, it should tend to the soul as well as the body, or else a living thing must be unhealthy, being diseased in its higher part.
It would be wrong to assume that one must stay with a research programme until it has exhausted all its heuristic power, that one must not introduce a rival programme before everybody agrees that the point of degeneration has probably been reached.
A friend should be a master at guessing and keeping still: you must not want to see everything.
If you will have a person enslaved, the first thing you must do is convince yourself that the person is subhuman. The second thing you have to do is convince your allies so you’ll have some help, and the third and probably unkindest cut of all is to convince that person that he or she is subhuman and deserves it.
The man who does ill must suffer ill.