Never try to teach a pig to sing; it wastes your time and it annoys the pig. — Robert Heinlein Copy Share Image
A fool cannot be protected from his folly. If you attempt to do so, you will not only arouse his animosity but… — Robert A. Heinlein Copy Share Image
Never attempt to teach a pig to sing; it wastes your time and annoys the pig. — Anonymous Copy Share Image
Don't try to teach a pig to sing. It doesn't work, and it annoys the pig. — Judy Sheindlin Copy Share Image
