A scientist is in a sense a learned small boy. There is something of the scientist in every small boy. Others must outgrow it. Scientists can stay that way all their lives.

Death seems to have been a rather late invention in evolution. One can go a long way in evolution before encountering an authentic corpse.

Since we have had a history, men have pursued an ideal of immortality.

The only point of government is to safeguard and foster life.

I think if a physician wrote on a death certificate that old age was the cause of death, he'd be thrown out of the union. There is always some final event, some failure of an organ, some last attack of pneumonia, that finishes off a life. No one dies of old age.

Nuclear weapons offer us nothing but a balance of terror, and a balance of terror is still terror.

We have fallen in love with the body. That's that thing that looks back at us from the mirror. That's the repository of that lovely identity that you keep chasing all your life.