[seeing Mike's face after the fight with Tuco]
Nacho Varga: Wow. Look at you. Are you gonna have to testify?
Mike Ehrmantraut: The cops witnessed him in the commission of a felony. My wallet was in his pocket. Add the gun... he gets a 5 to 10 stretch.
Nacho Varga: 25,000 dollars. You definitely earned it. Still, you coulda gotten twice as much for 1/10 the hassle. You woulda done the world a favor. You wouldn't look like someone took a lead pipe to your face. Plus, when Tuco gets out, maybe he comes looking for you.
Mike Ehrmantraut: Get to the point.
Nacho Varga: Just saying... you went a long way to not pull that trigger. Why?
Mike Ehrmantraut: You sure about this? Killing your partner...
Mike Ehrmantraut: [chuckles] That's a bell you don't un-ring.
Jimmy McGill: It was a simple, little commercial. It aired once... that's all. And can I remind you... it worked. It worked like a dream.
Chuck McGill: See, that's your problem, Jimmy... thinking the ends justify the means. And you're forever shocked when it all blows up in your face.
Jimmy McGill: What did I do that was so wrong?
Chuck McGill: You broke the rules.