jack of all trades is a master of none

a Jack of all trades is a master of none

proverb A man who is somewhat skilled in or adept at a wide variety of tasks or abilities will not have the time or dedication to become truly masterful in any one thing. (When speaking of a woman, the phrase "a Jill of all trades is a master of none" can be used.) Tom just sort of floated between different interests after he left high school, but he could never settle on anything career-worthy. A Jack of all trades is a master of none, as they say. My father was always quite skilled in a lot of different areas, but he never found much success in any of them. I guess Jack of all trades is a master of none.
See also: all, jack, master, none, of, trade
Farlex Dictionary of Idioms.

jack of all trades is a master of none

Prov. If you are able to do a lot of things fairly well, you will not have time to learn to do one thing extremely well. Jill: I envy Bob; he can do so many things. He writes novels, paints pictures, makes sculptures, and even plays the dulcimer. Jane: It's true he does a lot of things, but he probably doesn't do them all terribly well. A jack of all trades is a master of none, you know.
See also: all, jack, master, none, of, trade
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • a Jack of all trades is a master of none
  • a Jill of all trades is a master of none
  • teach a man to fish
  • it takes a village
  • village
  • a woman's work is never done
  • best-laid plans go astray, the
  • the best-laid plans
  • the best-laid plans go astray
  • the best-laid plans of mice and men
References in periodicals archive
'People often say that a jack of all trades is a master of none but the origin of that is actually 'a Jack of all trades is a master of none BUT oftentimes better than a master of one,'' she said.
Many may think: A jack of all trades is a master of none, but often better than a master of one.'