A sword by itself does not slay; it is merely the weapon used by the slayer.
If you are wise, mingle these two elements: do not hope without despair, or despair without hope.
It is better, of course, to know useless things than to know nothing.
It is not the man who has too little, but the man who craves more, that is poor.
It is quality rather than quantity that matters.
No man can have a peaceful life who thinks too much about lengthening it.
Our lack of confidence is not the result of difficulty. The difficulty comes from our lack of confidence.
Treat your inferiors as you would be treated by your betters.