All of today's DNA, strung through all the cells of the earth, is simply an extension and elaboration of [the] first molecule.

The greatest of all the accomplishments of 20th century science has been the discovery of human ignorance

We have yet to learn how to retain our humaneness when assembled in masses.

The whole dear notion of one's own Self-marvelous old free-willed, free- enterprising, autonomous, independent, isolated island of a Self- is a myth.

Doctors, dressed up in one professional costume or another, have been in busy practice since the earliest records of every culture on earth. It is hard to think of a more dependable or enduring occupation, harder still to imagine any future events leading to its extinction.

If you want to use a cliche you must take full responsibility for it yourself and not try to fob it off on anon., or on society.

As evolutionary time is measured, we have only just turned up and have hardly had time to catch breath, still marveling at our thumbs, still learning to use the brand-new gift of language. Being so young, we can be excused all sorts of folly and can permit ourselves the hope that someday, as a species, we will begin to grow up.