131. Never Teach a Pig to Sing — Heinlein
Heinlein’s great “Never Try to Teach a Pig to Sing” comment.
Robert A. Heinlein (1907-1988), in The Notebooks of Lazarus Long, said:
“Never try to teach a pig to sing — it wastes your time and annoys the pig.”
Photo is by Bcrowell, Creative Commons By-SA 3.0
— Changed 22 Jan 2018