Who said "You must be willing to learn from those you teach."?

This quote is attributed to Shang.

You must be willing to learn from those you teach. - Shang

"You must be willing to learn from those you teach."

Shang Education

"A man doesn't speak unless he has something to say."

"I need a man who can act like a woman."

"You fight good."

"Prepare yourself. The Huns have invaded China."

"Education opens doors."

"Education opens doors to endless possibilities."

"I ain't got the education you got, bub."

"You can't put a price on history."