We can so reconstruct society that it will be self-perpetuating instead of as now, self-exhaustive.

I realized that the future of aviation, to which I had devoted so much of my life, depended less on the perfection of aircraft than on preserving the epoch-evolved environment of life, and that this was true of all technological progress.

True, the fragile bodies of his fellows do not weigh down his plane; true, the fretful minds of weaker men are missing from his crowded cabin; but as his airship keeps its course he holds communion with those rare spirits that inspire to intrepidity and by their sustaining potency give strength to arm, resource to mind, content to soul. Alone? With what other companions would man fly to whom the choice were given?

I don't believe in taking foolish chances, but nothing can be accomplished if we don't take any chances at all.

Life's values originate in circumstances over which the individual has no control.

Man is a mixture of desires that extend beyond his knowledge and often result in action conflicting with rationality.

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