Alternative form of a camel is a horse designed by a committee

Alternative form of a penny saved is a penny earned

Literally, what is good for a female goose is equally good for a male goose (gander); or, what is good for a woman should be equally as good for a man.

(sarcastic) Said as a retort to someone saying hey (any sense of the interjection), used to indicate that the speaker disapproves of the usage of the word "hey", perhaps due to a dislike of informal speech.

Alternative form of know which end is up

(Internet slang) Used to indicate that something has left one in a state of disbelief or confusion.

Alternative form of the hand that rocks the cradle rules the world

Events that have already taken place cannot be changed and actions that have already been committed cannot be undone, so it is best not to dwell on them.

(idiomatic) To possess sound judgment or common sense; to have a clear understanding of a situation.

(idiomatic) One is very angry.