Every body continues in its state of rest or uniform motion in a straight line, except insofar as it doesn't.
“I don't know many singers who actually do like the sound of their own voice.”
“The plane is simply abstracting the power stored in the wave by a distant gale, and using it to counteract gravity. And if the work be continued long enough, or a multitude of planes be continually drawing on the reservoir of power, the wave must inevitably be flattened.”