"I meant others of the wider citizenry, perhaps from before or during our time, whom we might aid in altering events." Combeferre frowns. "As to how we would know which world--we wouldn't. Although..."

Combeferre doesn't know exactly how to put this. "Well. It's possible that worlds with only minor differences...fold into each other, and become one? As, well, your world and mine perhaps did? Or, if that's not so, then you and I are of different worlds, albeit very similar ones, and the Enjolras of my world had a different fate than Milliways after death."