Always remember, a cat looks down on man, a dog looks up to man, but a pig will look man right in the eye and see his equal.
— Winston Churchill

The difference between 'involvement' and 'commitment' is like an eggs-and-ham breakfast: the chicken was 'involved' - the pig was 'committed'.
Anonymous pig quote

You can't fatten the pig on market day.
— John Howard

The difference between involvement and commitment is like ham and eggs. The chicken is involved; the pig is committed.
— Martina Navratilova

A pig bought on credit is forever grunting.
— Proverbs