Never attempt to teach a pig to sing; it wastes your time and annoys the pig.


TimeEnough for Love (1973)

Robert A. Heinlein Quotes

Never attempt to teach a pig to sing; it wastes your time and annoys the pig.

Never attempt to teach a pig to sing; it wastes your time and annoys the pig.

Never attempt to teach a pig to sing; it wastes your time and annoys the pig.

Never attempt to teach a pig to sing; it wastes your time and annoys the pig.