a man is known by the company he keeps

a man is known by the company he keeps

proverb A person tends to be very similar in attitude, character, ability, or personality to the people with whom they associate or spend time. I'm not surprised he turned out to be so conniving and disloyal—just look at the degenerates he hangs around with. A man is known by the company he keeps. If a man is known by the company he keeps, then it is fair to say that this young directors has a bright future ahead indeed.
See also: by, company, he, keep, known, man
Farlex Dictionary of Idioms.

man is known by the company he keeps

Prov. A person tends to associate with people who are like him or her. Son, when you go away to school, spend your time with serious people; don't hang around with people who go to parties all the time. A man is known by the company he keeps. If you want to know what kind of person George is, look at his friends. A man is known by the company he keeps.
See also: by, company, he, keep, known, man
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • a man is judged by the company he keeps
  • teach a man to fish
  • birds of a feather
  • birds of a feather (flock together)
  • BOF
  • it takes a village
  • village
  • an ounce of discretion is worth a pound of wit
  • the best-laid plans
  • the best-laid plans of mice and men