“Teach what you know to him who does not know, and learn from him who knows what you do not know. If you would do this you would learn what you have not known and would retain what you have already known.” – A quote by whom?
Note
"Teach what you know to him who does not know, and learn from him who knows what you do not know. If you would do this you would learn what you have not known and would retain what you have already known." - A quote by Imam Al-Ghazali.