Love seeketh not itself to please, but for another gives its ease.

What is the price of experience? Do men buy it for a song? Or wisdom for a dance in the street? No, it is bought with the price of all the man hath, his house, his wife, his children.

To the eyes of a miser a guinea is more beautiful than the sun, and a bag worn with the use of money has more beautiful proportions than a vine filled with grapes.

The man who never alters his opinions is like standing water, and breeds reptiles of the mind.

Science has revealed that the human body is made up of millions and millions of atoms... For example, I am made up of 5.8x10 27 atoms.

I have arrived at the conviction that the neglect by economists to discuss seriously what is really the crucial problem of our time is due to a certain timidity about soiling their hands by going from purely scientific questions into value questions.

Great scientific contributions have been techniques.

Abundant choice doesn't force us to look for the absolute best of everything. It allows us to find the extremes in those things we really care about, whether that means great coffee, jeans cut wide across the hips, or a spouse who shares your zeal for mountaineering, Zen meditation, and science fiction.