"The man who works for the good of others is the man who works for his own good."

"I resolved that I would not be a slave to the dollar."

"The greatest pleasure I know is to do a good action by stealth, and to have it found out by accident."

"The greatest astonishment of my life was the discovery that the man who does the work is not the man who gets rich."

"Wealth, and all that it brings, is not an end in itself, but a means to an end."