"Letter"
Never has the word "letter" carried so much weight. It's all in the delivery, and no other human on the planet could have spoken it with as much power. It's really no surprise that it occurs almost exactly in the middle of the video. His greatness anchors the whole thing. He's still the best. Check it out.
http://www.sun.com/one/video-60-mov-hi.html
http://www.sun.com/one/video-60-mov-hi.html