"The greatest thing in life is to keep your mind young."

"The Jew is a producer of nothing but discontent."

"Thinking is the hardest work there is, which is probably the reason why so few engage in it."

"I will build a motor car for the great multitude... so low in price that no man making a good salary will be unable to own one."

"The greatest good we can do for others is not just to share our riches with them, but to reveal to them their own."