We have time. Full stop.

[ And he says it with a little more certainty. ]

We've got at least one advantage: we know he's here, but he won't know that we're here.

[ Though realistically, Thanos would really only care about Gamora. But the point still stands; it's better to present a united front, right? ]

We have a level playing field, here. We may not have much, but neither will he. And you know his tactics. You know how he thinks. That's huge.