those who can't do, teach
those who can't do, teach
Those who are unable to successfully find a career in their field of interest end up teaching about it instead. (A shortening of "Those who can, do; those who can't, teach.") A: "I know he always aspired to be a great novelist, but the last I heard, he's still teaching middle school English." B: "Well, those who can't do, teach."
See also: teach, those, who
Farlex Dictionary of Idioms.
- all is not lost
- corner the market on
- corner the market on (something)
- couldn't organize a piss-up in a brewery
- couldn't raffle a chook in a pub
- organise
- pub
- couldn't organise a bun fight in a bakery
- couldn't organise a chook raffle in a (country) pub
- chook