It would seem to me... an offense against nature, for us to come on the same scene endowed as we are with the curiosity, filled to overbrimming as we are with questions, and naturally talented as we are for the asking of clear questions, and then for us to do nothing about, or worse, to try to suppress the questions.

Worrying is the most natural and spontaneous of all human functions.

Viewed from the distance of the moon, the astonishing thing about the earth, catching the breath, is that it is alive. ... It has the organized, self-contained look of a live creature, full of information, marvelously skilled in handling the sun

Society evolves not by shouting each other down, but by the unique capacity of unique, individual human beings to comprehend each other.

The great secret of doctors, known only to their wives, but still hidden from the public, is that most things get better by themselves; most things, in fact, are better in the morning.

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.