Alternative form of cooler heads will prevail

Bad leaders harm an organization.

(idiomatic) To come to terms with a fact, a state of affairs, etc. that one was previously unable or refusing to accept.

(colloquial) To be a sensible thinker capable of making sound decisions.

present participle of give someone a big head

simple past tense of give someone a big head

(idiomatic, slang) Synonym of get bent

(idiomatic) Synonym of bury one's head in the sand

(idiomatic) Synonym of bury one's head in the sand

(idiomatic) intelligent or shrewd; have good sense or judgement