I heard it once while making a late night drive through Austin on my way to my mother's house. I wasn't paying attention when they announced who was speaking. Without much to go on, I spent months trying to type in bits I remembered into google and hoping that anything would come up. One day, I finally got the magical combination, something like "man with dead arm talks about grating cheese." Since then, I always come back to it when I need a pep talk or even when I just want to hear some beautiful words. I've played it so many times, I can almost recite the entire thing by heart (and sometimes do, while taking long showers).
The part that probably leaves me feeling hungry to hear this again and again, to come back to it is the part where he talks about trying to achieve our greatest selves: