Thousands of years ago the first man discovered how to make fire. He was probably burnt at the stake he'd taught his brothers to light, but he left them a gift they had not conceived and he lifted darkness from the face of the Earth.

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.

Sacrifice does not mean the rejection of the worthless, but of the precious

Man's unique reward, however, is that while animals survive by adjusting themselves to their background, man survives by adjusting his background to himself.

My philosophy, in essence, is the concept of man as a heroic being, with his own happiness as the moral purpose of his life, with productive achievement as his noblest activity, and reason as his only absolute.

Believing in fate produces fate. Believing in freedom will create infinite possibilities.

Neither life nor happiness can be achieved by the pursuit of irrational whims.