Civilization is the process of setting man free from men.

to rest one's case on faith means to concede that reason is on the side of one's enemies- that one has no rational arguments to offer.

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.

Capitalism is not the system of the past; it is the system of the future -- if mankind is to have a future

If you want to save capitalism there is only one type of argument that you should adopt, the only one that has ever won in any moral issue: the argument from self-esteem. Check your premises, convince yourself of the rightness of your cause, then fight for capitalism with full, moral certainty.

Your soul has a single basic function-the act of valuing.

Live and act within the limit of your knowledge and keep expanding it to the limit of your life.