Robert A. Heinlein Quotes: Never try to teach a pig to sing; it wastes your time and it annoys the pig. ...

Never try to teach a pig to sing; it wastes your time and it annoys the pig. (Robert A. Heinlein)

Robert A. Heinlein Quotes Pictures

Robert A. Heinlein Quotes: Never try to teach a pig to sing; it wastes your time and it annoys the pig.

Robert A. Heinlein Quotes: Never try to teach a pig to sing; it wastes your time and it annoys the pig.

Robert A. Heinlein Quotes: Never try to teach a pig to sing; it wastes your time and it annoys the pig.

Robert A. Heinlein Quotes: Never try to teach a pig to sing; it wastes your time and it annoys the pig.

Robert A. Heinlein Quotes: Never try to teach a pig to sing; it wastes your time and it annoys the pig.

Robert A. Heinlein Quotes: Never try to teach a pig to sing; it wastes your time and it annoys the pig.

Robert A. Heinlein Quotes: Never try to teach a pig to sing; it wastes your time and it annoys the pig.

Robert A. Heinlein Quotes: Never try to teach a pig to sing; it wastes your time and it annoys the pig.

Robert A. Heinlein Quotes: Never try to teach a pig to sing; it wastes your time and it annoys the pig.

Robert A. Heinlein Quotes: Never try to teach a pig to sing; it wastes your time and it annoys the pig.

Robert A. Heinlein Quotes: Never try to teach a pig to sing; it wastes your time and it annoys the pig.

Robert A. Heinlein Quotes: Never try to teach a pig to sing; it wastes your time and it annoys the pig.

Robert A. Heinlein Quotes: Never try to teach a pig to sing; it wastes your time and it annoys the pig.

Robert A. Heinlein Quotes: Never try to teach a pig to sing; it wastes your time and it annoys the pig.

Robert A. Heinlein Quotes: Never try to teach a pig to sing; it wastes your time and it annoys the pig.