DOCTOR: There's this moment where you're sure you're about to die and then you're born. It's terrifying. Right now I'm a stranger to myself. There's echoes of who I was and a sort of call towards who I am. And I have to hold my nerve and trust all these new instincts. Shape myself towards them. I'll be fine. In the end. Hopefully. Well, I have to be, because you guys need help and if there's one thing I'm certain of, when people need help, I never refuse. Right? This is going to be fun.

GRAHAM: Don't be daft. There's no such thing as aliens. Anyway even if there was, they ain't going to be on a train in Sheffield.

DOCTOR: Come on, Ryan. Come on, Yaz. I'm calling you Yaz, cos we're friends now.

DOCTOR: When people need help, I never refuse.

DOCTOR: Why are you calling me madam?

YASMIN: Because you're a woman.

DOCTOR: Am I? Does it suit me?

YASMIN: What?

DOCTOR: Oh yeah, I remember. Sorry, half an hour ago I was a white-haired Scotsman.

DOCTOR: Never be cruel. Never be cowardly. Hate is always foolish. Love is always wise. Always try to be nice, but never fail to be kind.

DOCTOR: Winning? Is that what you think it's about? I'm not trying to win. I'm not doing this because I want to beat someone, or because I hate someone, or because, because I want to blame someone. It's not because it's fun and God knows it's not because it's easy. It's not even because it works, because it hardly ever does. I do what I do, because it's right! Because it's decent! And above all, it's kind. It's just that. Just kind. If I run away today, good people will die. If I stand and fight, some of them might live. Maybe not many, maybe not for long. Hey, you know, maybe there's no point in any of this at all, but it's the best I can do, so I'm going to do it. And I will stand here doing it till it kills me. You're going to die too, some day. How will that be? Have you thought about it? What would you die for? Who I am is where I stand. Where I stand, is where I fall. Stand with me. These people are terrified. Maybe we can help, a little. Why not, just at the end, just be kind?

FIRST DOCTOR: The Doctor? No, I don't think so! No, dear me, no! You may be a Doctor, but I am the Doctor. The original, you might say!

DOCTOR: Who I am is where I stand. Where I stand is where I fall.

MASTER: Is the future going to be all girl?

DOCTOR: We can only hope.

DOCTOR: Without hope. Without witness. Without reward.

DOCTOR: That's some sort of flavoured algae. I haven't seen any livestock yet.

BILL: That's good, isn't it? In the future we don't eat living things, we eat algae.

DOCTOR: I met an emperor made of algae once. He fancied me.

RIVER: When you love the Doctor, it's like loving the stars themselves. You don't expect a sunset to admire you back. And if I happen to find myself in danger, let me tell you, the Doctor is not stupid enough, or sentimental enough, and he is certainly not in love enough to find himself standing in it with me!

RIVER: You don't look much like your pictures.

DOCTOR: Well, that's an ongoing problem for me.

RIVER: An archaeologist is just a thief. With patience.

DOCTOR: Times end, River, because they have to. Because there's no such thing as happy ever after. It's just a lie we tell ourselves because the truth is so hard.

RIVER: No, Doctor, you're wrong. Happy ever after doesn't mean forever. It just means time. A little time. But that's not the sort of thing you could ever understand, is it?

DOCTOR: My entire understanding of physical space has been transformed! Three-dimensional Euclidean geometry has been torn up, thrown in the air and snogged to death! My grasp of the universal constants of physical reality has been changed forever!

DOCTOR: Sorry. I've always wanted to see that done properly.

RIVER: So, assuming tonight is all we have left.

DOCTOR: I didn't say that.

RIVER: How long is a night on Darillium?

DOCTOR: Twenty four years.

RIVER: I hate you.

DOCTOR: No, you don't.

DOCTOR: It's my back.

RIVER: Your back?

DOCTOR: Yeah, my back's playing up. It simply refuses to carry the weight of an entirely pointless stratum of society who contribute nothing of worth to the world and crush the hopes and dreams of working people.

RIVER: Does sarcasm help?

DOCTOR: Wouldn't it be a great universe if it did?

RIVER: I'm an archaeologist from the future. I dug you up.

RIVER: I had this book. History's Finest Exploding Restaurants. The best food for free. Skip the coffee.

RIVER: The man who gave me this was the sort of man who'd know exactly how long a diary you were going to need.

DOCTOR: He sounds awful.

RIVER: I suppose he is. I've never really thought about it.

DOCTOR: You look, er, amazing.

RIVER: Doctor, you have no idea whether I look amazing or not.

DOCTOR: Well, you've moved your hair about, haven't you?

RIVER: Well done. It's very sweet of you to try.

DOCTOR: Nothing’s sad until it’s over, and then everything is.