Has a greater speech ever been written and acted?

"As you all know, tonight Colonel Blake will resume his command after a week in Tokyo.
Now, unless I made a few remarks about my recent stint as your temporary supreme commander, I would be derelict in my officiousness.
I think you'll all agree that by trying to introduce more discipline, more order, I have hopefully made this a more enjoyable war for all of us.
Leadership is a lonely business.
Your Napoleons, your Kaisers, your Attilas the Hun were all alone there in the front office, as I have been this week.
I have thought of you, and I know you have thought of me. But some of the notes in the suggestion box were really below the belt.
I mean, why drag my mother into this?"

That does not appear to be President Bill Pullman's speech from Independence Day. That's the one true GOAT.

If they'd had an option to enlist for the military in the theaters after that speech, we'd have at least 50-75 million more people enlisted.

Edit: dammit, got beaten to it by like 15 seconds. Well played.

The Great Dictator

Ellen Burstyn in Requiem for a Dream

Probably the most emotionally impactful and real feeling monologue I’ve ever seen

quote:

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Edit: dammit, got beaten to it by like 15 seconds. Well played.

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It is the only obvious choice for GOAT. Everything else is battling for a distant second place.

Was it over when the Germans bombed Pearl Harbor? HELL NO!

Not exactly a motivational speech, but this is still the best monologue in movie history:

Quint’s U.S.S. Indianapolis speech

Orson Welles

That POS Baldwin's speech in Glengarry Glenn Ross.