Get rid at the outset of the idea that the airplane is only an air-going sort of automobile. It isn’t. It may sound like one and smell like one, and it may have been interior-decorated to look like one; but the difference is—it goes on wings.
And a wing is an odd thing, strangely behaved, hard to understand, tricky to handle. In many important respects, a wing’s behavior is exactly contrary to common sense. On wings it is safe to be high, dangerous to be low; safe to go fast, dangerous to go slow …
—Wolfgang Langewiesche, opening of Stick and Rudder: An Explanation of the Art of Flying (1944).
