One day the stars will be as familiar to each man as the landmarks, the curves, and the hills on the road that leads to his door, and one day this will be an airborne life. But by then men will have forgotten how to fly; they will be passengers on machines whose conductors are carefully promoted to a familiarity with labelled buttons, and in whose minds knowledge of the sky and the wind and the way of weather will be extraneous as passing fiction.

I suppose if there were a part of the world in which mastodon still lived, somebody would design a new gun, and men, in their eternal impudence, would hunt mastodon as they now hunt elephant. Impudence seems to be the word. At least David and Goliath were of the same species, but, to an elephant, a man can only be a midge with a deathly sting.

After that, work and hope. But never hope more than you work

Life had a different shape; it had new branches and some of the old branches were dead.

There are all kinds of silences and each of them means a different thing. There is the silence that comes with morning in a forest, and this is different from the silence of a sleeping city. There is silence after a rainstorm, and before a rainstorm, and these are not the same. There is the silence of emptiness, the silence of fear, the silence of doubt.

I have lifted my plane . . . for perhaps a thousand flights and I have never felt her wheels glide from the Earth into the air without knowing the uncertainty and the exhilaration of first-born adventure.

The way to find a needle in a haystack is to sit down.