I don't believe in taking unnecessary risks, but a life without risk isn't worth living.

If one took no chances, one would not fly at all. Safety lies in the judgment of the chances one takes.

Is he alone who has courage on his right hand and faith on his left hand?

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.

If we can combine our knowledge of science with the wisdom of wildness, if we can nurture civilization through roots in the primitive, man's potentialities appear to be unbounded, Through this evolving awareness, and his awareness of that awareness, he can emerge with the miraculous-to which we can attach what better name than 'God'? And in this merging, as long sensed by intuition but still only vaguely perceived by rationality, experience may travel without need for accompanying life.

Not long ago, when I was a student in college, just flying an airplane seemed a dream. But that dream turned into reality.

If we can combine our knowledge of science with the wisdom of wildness, if we can nurture civilization through roots in the primitive, man's potentialities appear to be unbounded.