It's between Captain Swann & Captain Jack Sparrow.
...we're at war. Jack Sparrow
And so we shall go to war. Swann (continues alternately)
You've seen it all, done it all. You survived. That's the trick, isn't it? To survive? It's not just about living forever, Jackie. The trick is living with yourself forever.
There can be many interpretations to the last line. The one which struck me is exhilarating.