How to make teaching come alive by professor Lewin@MIT
It's a 9.5 min video but worth watching and listening. I must admit that I'm inspired by his dedication to teaching. Some excerpt from his talk: "Teaching has always been one of the greatest and most satisfying experiences in my life. Through the wonders of teaching we can reveal the hidden beauty to our students. Knowledge does not narrow, knowledge only adds...and without knowledge many experience in life remain very narrow and very shallow - and that include the appreciation for art".