It was not in his unyellow soul to go back on his word without refunding the money, and a dollar of it was already spent to the Chinese fund, to say nothing of sundaes and sodas and whips.

The quadricolored arc is formed in air when rays of the sun shining into a hollow cloud, are driven back toward the sun, just as when the sun shines on a water vase and the brightness is sent back onto the ceiling.

Waiters are in button-downs, and waitresses wear full-on fraulein garb.

Any recursively enumerable set which is also co-recursively enumerable is a decidable set.