Who said "Wisdom is knowing what you don't know."?

This quote is attributed to Douglas Coupland.

Wisdom is knowing what you don't know. - Douglas Coupland

"Wisdom is knowing what you don't know."

Douglas Coupland Wisdom

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."

"I'm not angry, I'm just disappointed."

"The best things in life are free."

"You can't have everything in life, but you can have what matters most."

"A woman's intuition is rarely wrong."