Idiom - A man of few words

A man of few words:

A man who doesn't speak much, a man of action.

He is a man of few words. But when he speaks, he makes a lot of sense.

Quotes - Molefi Kete Asante

Molefi Kete Asante:

A wise person speaks carefully and with truth, for every word that passes between one's teeth is meant for something.