Frank is not a criminal. He is not a hero either. He is just… He’s Frank.[to Mahoney]
You can hide your identity, but you can’t hide who you are.
That’s the problem with telling lies and covering things up. You can’t really trust anyone afterwards.
Sometimes, maybe, someone like Castle is the nearest to justice we can get.[to Mahoney]
Some of us get to have the family life and some of us get to protect it.
I hope he remembers everything. So that when I stand in front of him, he knows I played my part.[about Russo]