This one looks completely different from the short as well. There are now 3 known versions of this same line and all are different. Is it possible he gave the same speech to multiple audiences on that day?

There're like 3 commencements

1st of May, 7pm - https://youtu.be/LHEW8Da5550?t=2757

2nd of May, 10am - https://youtu.be/4sSfADusN40?t=2586

2nd of May, 3pm - https://youtu.be/-bn3ydOuMm4?t=2855