This is earth again, the earth where I've lived and now will live once more ... I've been to eternity and back. I know how the dead would feel to live again.

If I were entering adulthood now instead of in the environment of fifty years ago, I would choose a career that kept me in touch with nature more than science. ... Too few natural areas remain; both by intent and by indifference we have insulated ourselves from the wilderness that produced us.

To a person in love, the value of the individual is intuitively known. Love needs no logic for its mission.

Time is an abstraction which, on earth, exists only for the human brain it has evolved.

One boy's a boy, two boys are half a boy; three boys are no boy at all.

How long can men thrive between walls of brick, walking on asphalt pavements, breathing the fumes of coal and of oil, growing, working, dying, with hardly a thought of wind, and sky, and fields of grain, seeing only machine-made beauty, the mineral-like quality of life?

I hope you either take up parachute jumping or stay out of single motored airplanes at night.