It's an extension of "if you can't, teach" I think. Perhaps there's a second ver...

imdsm on Oct 20, 2022 | parent | context | favorite | on: Liz Truss resigns as UK prime minister

It's an extension of "if you can't, teach" I think. Perhaps there's a second verse to it, like with "Jack of all trades, often better than master of none".

If you can't, teach, and if you can't do that, go into politics.