It’s one of the greatest motivational film speeches of all time imo, definitely ties the whole film together, and then dude’s final sacrifice kinda puts the bow on top.
Though I do think it has some serious competition, from Morpheus: https://youtu.be/VvLlIjLposs
And Cap, of course: https://youtu.be/BW8_usG_B0E
And honorable mention for Mel Gibson: https://youtu.be/TME0xubdHQc