What other phrases (like "why buy the cow if you get the milk for free) do you know?

Question

What do you call this kind of phrases? and can you point me to site wherein I could find those kind of phrases/words ..... lols...

Answer 1

So that after you drink the milk.

You chop up the cow and eat it later :) lmao.

im j/k xD

Answer 2

Why buy a whole hog when all you want is a little sausage.

The ultimate comeback to the cow.  Thank you Andy Rooney.

Answer 3

It's an English idiom, in this case an Eglish proverb, and can be found in any good dictionary or idiom collection.