General Eiling: Harrison. You're one of 'em. You're a metahuman.
Harrison: Yes I am. And I protect my own.
General Eiling: Who is that?
Harrison: Now that is an old friend of ours.
Grodd: General
General Eiling: That voice. It's in my head. Dear God.
Grodd: Not God. Grodd.

Joe: You're gonna save the past.
Barry: Joe, I'm gonna save my mom.

I don't know how and I don't know when, but someday soon I'm going to be in this house again 15 year ago, and I'm gonna fail. Unless I don't.

Barry

You guys are like ten seasons of Ross and Rachel but just like smooshed into one year.

Cisco

Cait, Barry was right. The world's different now. Look, I thought we could get away, start a new life; start a normal life together, but there is no normal life for us. You will always risk your life to try and help people and I will always be the guy who runs into that pipeline for you.

Ronnie

Ronnie: Not the STAR Labs I knew.
Barry: Ronnie, it's not the world that you knew.
Ronnie: Tell me about it.

That must be a side effect of, of your incredible speed. In some future day, you actually move so fast that the resulting kinetic buildup smashes a hole in the space time continuum!

Martin

Martin: What about you? Would you be interested in taking a trip into history?!
Barry: I think I already have.

Barry: If you travel back in time to change something, then you end up being the causal factor of that event.
Cisco: Like Terminator.

Barry: But, that means...
Joe: The second speedster, the one trying to stop the man in yellow...
Barry: Is The Flash. It's me.

The Flash Season 1 Episode 14 Quotes

Barry: If you travel back in time to change something, then you end up being the causal factor of that event.
Cisco: Like Terminator.

Barry: But, that means...
Joe: The second speedster, the one trying to stop the man in yellow...
Barry: Is The Flash. It's me.