Man must feel the earth to know himself and recognize his values. God made life simple. It is man who complicates it.

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

In a time of war, truth is always replaced by propaganda.

I realized that If I had to choose, I would rather have birds than airplanes.

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

Why should anyone think a white skin superior in evaluating the qualities of human life? I did not really admire a white skin so much myself. Did I not prefer the brown skin that came with exposure to the sun?

Unless science is controlled by a greater moral force, it will become the Antichrist prophesied by the early Christians.