A "wise man" refers to a person who is knowledgeable, experienced, and makes good decisions. They possess a lot of wisdom and can offer valuable advice. Full definition
But as one wise man once said, «individual results may vary». (dogfood.co)
20 years ago when I entered the real estate industry I worked for a very wise man who was in the midst of a battle with the competition bureau. (remonline.com)
He is one of the world's most respected wise men in history. (masalabody.com)