Music, to create harmony, must investigate discord.

Memory: what wonders it performs in preserving and storing up things gone by - or rather, things that are

Do not speak of your happiness to one less fortunate than yourself.

For to err in opinion, though it be not the part of wise men, is at least human.

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!".

So also it is good not always to make a friend of the person who is expert in twining himself around us; but, after testing them, to attach ourselves to those who are worthy of our affection and likely to be serviceable to us.

Silence is an answer to a wise man.