“We forge gradually our greatest instrument for understanding the world, introspection. We discover that humanity may resemble us very considerable, that the best way of knowing the inwardness of our neighbors is to know ourselves.”

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

“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.”

“As a rule, he or she that has the most information will have the greatest success in life.”

“The only people who achieve much are those who want knowledge so badly that they seek it while the conditions are still favorable. Favorable conditions never come.”