He could put “you” at the end of that, and say “I know you.” The idea that these two people know each other, knew each other when they first saw each other. That they recognized each other from their future.
Pride & Prejudice (2005) dir. Joe Wright
“The problem, as I see it, is that you’ve been told and not told. You’ve been told, but none of you really understand, and I dare say, some people are quite happy to leave it that way.”
Never Let Me Go directed by Mark Romanek
based on the 2005 novel of the same name by Kazuo Ishiguro