[NCjim]

Reminds me of one of my Dad's favorite sayings:

"Never try to teach a pig to sing - it wastes your time and annoys the hell out of the pig"

[DugwayDuke]

"Never try to teach a pig to sing - it wastes your time and annoys the hell out of the pig" - Lazorous Long.

A character in one of Robert Heinlein's novels.