Who said "To teach is to learn twice over."?

This quote is attributed to Louis Pasteur.

To teach is to learn twice over. - Louis Pasteur

"To teach is to learn twice over."

Louis Pasteur Education

Chemist and Microbiologist French 1822–1895

"Science knows no country, because knowledge belongs to humanity, and is the torch which illuminates the world."

"Life is the loom on which fate weaves."

"The greatest derangement of the mind is to believe things because one wishes them to be so."

"Chance favors the prepared mind."

"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."