“Self-knowledge comes from knowing other men.”

“C'est l'inconnu qui excite l'ardeur des savants, qui, dans le seul connu, se flétriraient.”

“Ask for the business...always! Things that matter most must never be at the mercy of things that matter least.”

“Never let a day pass that will make you say, "I will do better tomorrow". It is not enough to have knowledge; one must apply it. It is not enough to have wishes; one must also accomplish it.”

“He who asks a question is a fool for five minutes. He who does not ask a question is a fool forever. O-# It is the constant and determined effort that breaks down resistance and sweeps away all obstacles.”