Around here we have an extension. "Those who can, do. Those who can't do, teach. Those who can't teach, administrate. Those who can't administrate, teach gym. "

Around here we have an extension. "Those who can, do. Those who can't do, teach. Those who can't teach, administrate. Those who can't administrate, teach gym. " It's a phrase true mostly in the public school system. Doesn't hold so much for universities or other educational institutions.