[pxeger1]

For contrast, there's also:

Those who can, do. Those who can't, teach.

Not that I 100% agree with that.

[westurner]

If none teach, few can do or teach.

"This is where teachers are paid the most" (2021) https://www.weforum.org/agenda/2021/10/teachers-pay-countrie... :

> Globally, teachers’ salaries vary hugely, according to the OECD’s Education At A Glance 2021 report