Merlyn and Oliver in “Unfinished Business”

Leaving the epic stupidity of your plan aside, Thea's right, this isn't either of our decisions.

Oliver

Malcolm, do you want her to die?

Of course not. Do you have any idea how badly I want to put a knife in her hand and force her to slit someone's throat? I've come this close to dragging someone in here for her to kill. And the reason that I don't is because that would be about my feelings and not Thea's. Oliver, sometimes the greatest act of love is no action at all. It's her life. It's her choice.