My dad had another for the same value but it was more, um, ribald. The other day I incorrectly posted that it used the first letter of each word, but seeing this I realize it used the same trick as this one. I regret I never learned it from him.
A good question is never answered. It is not a bolt to be tightened into place but a seed to be planted and to bear more seed toward the hope of greening the landscape of the idea. John Ciardi