The most evident token and apparent sign of true wisdom is a constant and unconstrained rejoicing.

One man may have some special knowledge at first-hand about the character of a river or a spring, who otherwise knows only what everyone else knows. Yet to give currency to this shred of information, he will undertake to write on the whole science of physics. From this fault many great troubles spring.

Marriage has, for its share, usefulness, justice, honour, and constancy; a stale but more durable pleasure. Love is grounded on pleasure alone, and it is indeed more gratifying to the senses, keener and more acute; a pleasure stirred and kept alive by difficulties. There must be a sting and a smart in it. It ceases to be love if it has no shafts and no fire.

Diogenes was asked what wine he liked best; and he answered as I would have done when he said, "Somebody else's".

Everything must not always be said, for that would be folly.

To know how to live is my trade and my art.

Have you known how to take rest? You have done more than he who hath taken empires and cities.