And yet Ambassador Spock has already changed our own timeline by existing and interacting with you. Even if his interference has been minimal, we have used his knowledge more than once.

[ His voice is strained at the name of his older counterpart. He turns to Jim, not really paying attention to the food at all. His voice only gets sharper as he goes on. ]

Where do you draw that line? How much loss of life is too much before you can no longer justify your inaction?