He must be trolling again. Surely he realizes that if he does not prevail now, there will be no 2024.
It's vague in memory, but I think he's said exactly that in his speeches.
He's certainly said that if America falls, the whole world falls.
And non-Americans have said that same thing to me several times. Lots around the world on our side.
I would imagine that POTUS also has his own confirmations of that from some world leaders.