Kikyo, Sango and others in “Unfinished Business”

Kikyo

If I can transfer the miasma that's in him to me, then I can use my body to cleanse it.

Sango

But won't that hurt you?

Kohaku

(thinking) Yes. Her body is already being consumed by Naraku's miasma... but she'll remain silent.

Sango

It's strange, that on the one hand, you'd risk your life to save him, and yet-

Kikyo

And yet, I'd lead your brother Kohaku to his death. Is that what you wanted to say? (Sango looks startled) If someone can be saved, I'll try to save them. That is all I can do.