Phaedo

“Man is a prisoner who has no right to open the door of his prison and run away... A man should wait, and not take his own life until God summons him.”

“Will you not allow that I have as much of the spirit of prophecy in me as the swans? For they, when they perceive that they must die, having sung all their life long, do then sing more lustily than ever, rejoicing in the thought that they are going to the god they serve.”

“False words are not only evil in themselves, but they infect the soul with evil.”

“Then is this not a sufficient indication," he said, "if you see a man who is troubled when about to die, that he was not a lover of wisdom but a lover of the body? And the same thus is likely to be both a lover of money and a lover of honor, one or the other of these or both.”