Stranger in a Strange Land

by Robert A. Heinlein

Harshaw said, “Well, boy, what have you learned today?” Smith smiled happily, then answered—as always with a pause. “I have today learned to do a one-and-a-half gainer.

Man is grokking.

“If you see the man who invented the wheel, send him up. Meddler!”

“Kissing girls is a goodness,” he explained. “It beats the hell out of card games.”