To find one real friend in a lifetime is good fortune; to keep him is a blessing.

Always act as if you were seen.

The greatest fool is he who thinks he is not one and all others are.

A bad manner spoils everything, even reason and justice; a good one supplies everything, gilds a No, sweetens a truth, and adds a touch of beauty to old age itself.

One should cultivate good habits of memory, for it is capable of making existence a Paradise or an Inferno.

To overvalue something is a form of lying.

Without courage, wisdom bears no fruit.