"You..." Knives starts. Then, after a moment, he rethinks what he was going to say. "You're right. You aren't the same. But... you've been through something that would cause anyone to change..."

He looks away from Vash then, frowning. For a moment, all he can think about is how he used to be someone different too. Then they had found the remains of their sister and everything changed.

Vash has been changed too. He isn't the same man he once was at all.