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

At first you can stand the spotlight in your eyes. Then it blinds you. Others can see you, but you cannot see them.

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

It is about a period in aviation which is now gone, but which was probably more interesting than any the future will bring. As time passes, the perfection of machinery tends to insulate man from contact with the elements in which he lives. The 'stratosphere' planes of the future will cross the ocean without any sense of the water below. Like a train tunneling through a mountain, they will be aloof from both the problems and the beauty of the earth's surface.

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

Whether outwardly or inwardly, whether in space or time, the farther we penetrate the unknown, the vaster and more marvelous it becomes.

When I watch species other than my own, their instinct's wisdom is what most impresses and disturbs me.