I agree that you might clone some people who would look amazingly like their parental cell donors, but the odds are that they'd be almost as different as you or me, and certainly more different than any of today's identical twins.

Most things get better by themselves. Most things, in fact, are better by morning.

We pass thoughts around, from mind to mind, so compulsively and with such speed that the brains of mankind often appear, functionally, to be undergoing fusion.

We need science, more and better science, not for its technology, not for leisure, not even for health or longevity, but for the hope of wisdom which our kind of culture must acquire for its survival.

We are spectacular splendid manifestations of life. We have language. We have affection. And finally, and perhaps best of all, we have music.

Survival, in the cool economics of biology, means simply the persistence of one's own genes in the generations to follow.

Selfness is an essential fact of life. The thought of nonselfness, precise sameness is terrifying.