The authors of great evils know best how to remove them.

Being conscious of having done a wicked action leaves stings of remorse behind it, which, like an ulcer in the flesh, makes the mind smart with perpetual wounds; for reason, which chases away all other pains, creates repentance, shames the soul with confusion, and punishes it with torment.

Blinded as they are to their true character by self-love, every man is his own first and chiefest flatterer, prepared, therefore, to welcome the flatterer from the outside, who only comes confirming the verdict of the flatterer within.

And Archimedes, as he was washing, thought of a manner of computing the proportion of gold in King Hiero's crown by seeing the water flowing over the bathing-stool. He leaped up as one possessed or inspired, crying, "I have found it! Eureka!".

Authority and place demonstrate and try the tempers of men, by moving every passion and discovering every frailty.

That we may consult concerning others, and not others concerning us.

These Macedonians are a rude and clownish people; they call a spade a spade.