In language clarity is everything.
He who fails to prepare, prepares to fail
A good man will certainly also possess courage; but a brave man is not necessarily good.
It is only the very wisest and the very stupidest who never change.
Ask yourself constantly, "What is the right thing to do?" Behave toward everyone as if receiving a great guest.
The wise man admires water, the kind man admires mountains. The wise man moves, the kind man rests. The wise man is happy, the kind man is firm.