Brilliant speech, but the audience laughing implies that they didn't believe him. And so it goes - wash, rinse, repeat. Thirty years from now, some of those students will be saying, "I wish I had listened to him."
"Time is money" might explain why my $100 package was left in the snow, at night, at the end of my 150' country laneway where anyone could steal it. They never attempted to come to the door. Costco said they are not supposed to do that.
https://www.youtube.com/watch?v=oq4NfHZkXtA