"I have to find out what happened to my dad, ok. Whether or not he is a hero, if he is alive, I have to know. And there is only one way I can find out without losing everyone else"
(about Hilary) "Sorry about that, my partner is a little unhinged. Full disclosure: She scares the crap out of me"
Cara: John can take care of himself.
Stephen: You willing to bet his life on that?
"This place is falling apart without John"
(Hilary teleports into Stephens room whilst he's in boxers)
Hillary: It’s under “H,” for hit man.
Stephen: Let me grab my “P” for pants.
Stephen: Oh, so I'm picking you up now?
Cassie: No, I'm picking you up.
Stephen: You have to let us protect you.
Astrid: You're the reason I need protection in the first place.
"I took an actual bullet because I believe in you."
"This ability you've been hiding. It may feel evil, but today it is a gift."
"The whole reason you guys tracked me down was so that I could find him. So either you believe that I'm the chosen one or you don't."
John: What exactly are you saying, Stephen?
Stephen: You have to try and kill me.
John: Sorry about the jaw.
Stephen: What jaw?
(He punches Stephens jaw)
Astrid: What happened to your face?
Stephen: A girl punched me.
Astrid: Wow, she beat me to it.
John: You're getting better.
Stephen: Really?
John: Nope.
"It's not about playing God it's about being human."
Dylan: Good luck with the crazy!
Stephen: Good luck with the diarrhea.
Luca: You slept with Mrs. D'Amico?
Stephen: It was an accident.