Mankind has a free will; but it is free to milk cows and to build houses, nothing more.
— Martin Luther

Milk the cow, but do not pull off the udder.
Proverbs cow quote

The mere brute pleasure of reading --the sort of pleasure a cow must have in grazing.
— G. K. Chesterton

He was so learned that he could name a horse in nine languages; so ignorant that he bought a cow to ride on.
— Benjamin Franklin

The cow is of the bovine ilk: One end is moo, the other, milk.
— cow quotation by Ogden Nash