I know what you become in my world.

[He's not a semantics mech, Megatron. He uses swords to cut through that sort of obfuscation, like Gordian knots.]

You've changed everything.

At the end of the war, I thought...I thought maybe you'd finally seen it.

It's the same universe. You can't change one world without it affecting every other world out there. [He's not great on quantum theory, but that seems sound.]