(informal) I don't know; I have no idea.

(informal) Used to say that something is too strange, embarrassing, or complicated to explain.

(social media) A demand for no debate regarding a controversial statement.

A saying or advice suggesting to someone that instead of getting angry at a perceived injustice, slight or other action against them, they should retaliate.

(humorous, sarcastic) A reaction to someone receiving money, often a insignificant amount.

(generally in an angry tone) bear in mind, remember

(colloquial) Do not misunderstand; do not fall for a specious argument.

If one does not know about a problem or a misdeed, one will not be able to render oneself unhappy by worrying about it; often used to justify not informing an individual about a problem or misdeed.

Synonym of you don't dip your pen in company ink

Synonym of you don't dip your pen in company ink