Army MP Retired wrote:I always heard it like this:
Theres an adage I once heard: those that cant do, teach; those that cant teach, write text books.
Those who can't do, teach.
Those who can't teach become administrators
And recently, someone here of FreeRepublic added:
Those who can't make it as school administrators run for congress.
Those who can't, teach.
Those who can do neither, criticize.