"When you see that money is exchanged for goods and services, not for favors and flattery, that your work is not a plea, but a demand, that no one can give you what you have not earned, and that no one…"

"There are no contradictions in reality. Contradictions exist only in the mind, in the mind of a man who makes a mistake."

"I swear, by my life and my love of it, that I will never live for the sake of another man, nor ask another man to live for mine."

"The ideal man is the man of reason, the man who is guided by his mind and is not swayed by his emotions."

"The truly and the morally evil is the man who always acts for the sake of others."