Who said "Adversity is the only true teacher."?

This quote is attributed to Douglas Coupland.

Adversity is the only true teacher. - Douglas Coupland

"Adversity is the only true teacher."

Douglas Coupland Education

Novelist Canadian Born 1961 (age 65)

"The future is just history that hasn't happened yet."

"I think that all things in life are luck."

"Shopping is the sea in which we now swim."

"Ignore all hatred and criticism. Live a happy life."

"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."