- Thomas Shelby: If there were a snap election in this house today, I wouldn't win it. Not if I were running against the devil himself.
- Michael Levitt: Whereas before it would have been seen as ungentlemanly to... to ask a public figure questions about personal matters or... or business affairs...
- Thomas Shelby: Oh, well. No need to worry. I'm no gentleman.
- Thomas Shelby: Did Arthur explain?
- Charles Shelby: He said it's God's will. But you're not God.
- Charles Shelby: [Walks away]
- Thomas Shelby: No, I'm not God. Not yet.
- Aunt Polly: Imagine. The father is scared. He runs away. You're left. The baby's black, he's a bastard and it's Birmingham. But you don't care. Because the world has changed. And the baby's eyes are golden. And you're gonna leave her with Aunt Polly every day to look after. Aunt Polly, who insisted that you called her Elizabeth.
- Ada Shelby: How do you know it's a her?
- Aunt Polly: Because I'm Polly Gray.
- Thomas Shelby: You need to understand that the corridors of Westminster are very dimly lit. And for those who make the rules, there are no rules.
- Oswald Mosley: [to Thomas Shelby] My constituency borders yours. And let me just say, you've come to my attention.