Since hate poisons the soul, don't cherish enmities or grudges: avoid people who make you unhappy.

Most of our pocket wisdom is conceived for the use of mediocre people, to discourage them from ambitious attempts, and generally console them in their mediocrity.

The world has no room for cowards.

Nothing made by brute force lasts.

Each has his own tree of ancestors, but at the top of all sits Probably Arboreal.

If a man lives to any considerable age, it can not be denied that he laments his imprudences, but I notice he often laments his youth a deal more bitterly and with a more genuine intonation.

The true wisdom is to be always seasonable, and to change with a good grace in changing circumstances.