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

This quote is attributed to Al-Ghazali.

To teach is to learn twice. - Al-Ghazali

"To teach is to learn twice."

Al-Ghazali Education

Theologian-Philosopher Persian 1058–1111

"Knowledge is the life of the mind."

"The ink of the scholar is more holy than the blood of the martyr."

"Whoever knows himself knows his Lord."

"The greatest blessing after health is a faithful friend."

"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."