Marsdin and Supergirl in “Unfinished Business”

I'm sorry, Supergirl, but I can't, I won't cancel the summit.

Supergirl

The Graves siblings are dangerous operatives. I'm afraid of what they could do to you and your alien guests.

So am I, but there's always someone to be afraid of. Some force, some threat, that is beyond our control. And yet, we carry on. A leader who caves to fear is no leader at all.