One loses everything when one loses one's sense of humor.

While, politically, a mixed economy preserves the semblance of an organized society with a semblance of law and order, economically it is the equivalent of the chaos that had ruled China for centuries: a chaos of robber gangs looting-and draining-the productive elements of the country.

From the smallest necessity to the highest religious abstraction, from the wheel to the skyscraper, everything we are and everything we have comes from one attribute of man - the function of his reasoning mind.

Never ask people about your work.

Love is our response to our highest values. Love is self-enjoyment. The noblest love is born out of admiration of another's values.

To interpose the threat of physical destruction between a man and his perception of reality, is to negate and paralyze his means of survival to force him to act against his own judgment, is like forcing him to act against his own sight

Achievement of your happiness is the only moral purpose of your life, and that happiness, not pain or mindless self-indulgence, is the proof of your moral integrity, since it is the proof and the result of your loyalty to the achievement of your values.