BELINDA: Is that better or worse than humans?

DOCTOR: If you start deciding which body is best, you’re going down a very dangerous path.

DOCTOR: I can’t help thinking, Bel, that maybe we are meant to be connected.

BELINDA: Like this is destiny? Is that what you say to all the girls? Is that what you said to Sasha? She trusted you, and she died. And you tested my DNA without even asking my permission. God. You’re dangerous.

DOCTOR: I’m sorry. Inexcusable. With both hearts, I apologise.

BELINDA: I am not one of your adventures. Now I’m asking you, Doctor, to do the right thing.

DOCTOR: You're my friend. I'd break the universe to save you.

VALARIE: And you're my friend. Which is why I'd never let you.

DOCTOR: You really pimped his ride! Do people still say that?

YASMIN: It's 1807.

DOCTOR: I'm ahead of the curve.

DOCTOR: If something happens to Umbreen, your whole timeline could be erased. No Yaz! We can't have a universe with no Yaz!

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: We’re all capable of the most incredible change. We can evolve while still staying true to who we are. We can honour who we’ve been and choose who we want to be next. Now’s your chance. How about it?

There was a town, on the southern shore of Lake Calasper, ripped apart by a giant earthquake. No one should have survived, but everywhere the people ran, they found a police telephone box standing in front of them, opening its doors.

A tornado tore through a tiny village, till a ring of blue boxes spun round the storm in the opposite direction, shrinking it into the ground.

As cities and towns and villages burned all around the planet, blue boxes came hurtling through the smoke, rescuing people from windows and rooftops.

A sky transporter, plunging towards the heart of the Capitol was suddenly being piloted by a funny man with big ears and a black jacket. Everyone on board stared out of the windows, as he climbed along the wing, to rewire one of the engines.

A ship on the high seas, about to capsize, was suddenly captained by a strange little man in a frock coat and check trousers, who kept offering people gobstoppers and complaining about his aunt being giddy.

There was a man with a ridiculous umbrella, who evacuated a school as a mountain crumbled towards it, and kept everyone laughing as they ran. A gentle cricketer took command of a hospital on fire, rescued the patients and completed an operation, as the flames licked at the theatre door. A man with a cloud of white hair and a swirling cape stood on a beach and, with a tiny silver rod, froze a whole tsunami as it thundered towards a town. A laughing joker in a colourful coat led a party of miners out of the tunnels that had come crashing down around them. Four children, trapped on the side of a cliff face, knew beyond doubt that no one was coming to their rescue, till the end of an absurdly long scarf dangled down in front of them.

I was everywhere I was needed that day, across all my lives, and I believe I have never run so fast. If I sound proud, forgive me: it is the inverse of the shame I carried for so many years. This was the last day of the Time War, but it was no longer the worst day of my life. Instead, this was the day the people of Gallifrey rose up and put 2.47 billion children safely to bed. This was the day I remembered who I was, and swore never to forget again.

This was the day of the Doctor.

DOCTOR: I've seen worlds destroyed, civilisations choked in their cradles, whole races fleeing in terror. I've seen centuries of art, of science, wiped out in an instant. I just saw a beautiful rainforest burn along with every creature in it. I didn't even know the planet's name! If you're prepared to accept that much collateral damage to the rest of the universe, then what exactly are you fighting for? I'll protect those with no choice in the matter, no voice.

JOEL: Also I might have invented the sandwich.

DOCTOR: No, you can't have.

JOEL: Why?

DOCTOR: Because I invented the sandwich.

DOCTOR: You all leave. Even the robot dog left me... twice!

LILY: Doctor... Pity… me!

DOCTOR: Fear me.

LILY: What?

DOCTOR: Tell this to your gods. When they punish you. When they stretch you on the neutron rack. I’m still here.

LILY: But you? You’re one little man!

DOCTOR: I am not a man! Not a human being! I am a complex space-time event! I am Lord President of Gallifrey. The Traveller from Beyond Time. I am the Sandman. The Oncoming Storm. I am the Ka Faraq Gatri. Destroyer of Worlds. And sometimes… Only sometimes… I am your worst nightmare. I am the Doctor. And I take care of my friends.

ELEVENTH DOCTOR: I never forget a face.

CURATOR: I know you don't. And in years to come, you might find yourself revisiting a few. But just the old favourites, eh?

DOCTOR: Do you understand me?

HARPIN: No.

DOCTOR: Good. I would be suspicious if you did.

DOCTOR: Machines don't have secrets, only the people who control them.

DOCTOR: I was once a man with a masterplan. I’d seek out injustices, topple governments, all in the name of the greater good. I’d started doing the maths, you see…. This is how evil starts, with the belief that the ends justify the means. But once you start down that road, there’s no turning back. What if you can save a million lives, but you have to let ten people die, or a hundred, or a hundred thousand. Where do you stop?

DOCTOR: Evelyn. Evelyn, can you hear me?

EVELYN: Oh, it’s you. I thought you might be my Doctor.

DOCTOR: You know me, never knowingly punctual.

EVELYN: You’re not surprised, are you? How did you know?

DOCTOR: Remember that calendar you had in the TARDIS, with all your old friends' birthdays written on it? Let’s just say I have something like that.

DOCTOR: I didn't expect to care for you as much as I did. That was my mistake. When it came to it, with the Web of Time hanging in the balance, having to make a choice between you and the universe, I'd say hang the Web of Time, you're more important. Let the universe rot. Charley, you're worth more than all that. I sacrificed myself for you, to save your life. And I did it gladly. I thought I'd never see you again. That it wouldn't matter so long as I knew you were safe.

CHARLEY: I don't understand. You're saying you did care for me, after all. That you loved me.

DOCTOR: Of course I loved you! I killed myself for you, didn't I? Of course I loved you. Of course I love you.

DOCTOR: Romana, this is Charley, one of my best ever friends. Charley, this is Romana, one of my best friends ever.

DOCTOR: It doesn’t matter to whom the cruelty is directed, the cruelty itself is wrong.

ACE: Oh, "No coloured" signs in 1963, "Pakis out" and petrol bombs in my time - now it's the future and it's ethnic cleansing. Nothing changes, does it?

DOCTOR: Forty years ago, Harper wouldn't even have been out of the ordinary. It does change, you know. Never completely, never all at once, but it does.

I.M. FOREMAN: You’ve never been a woman, have you?

DOCTOR: I’m not sure I’ve ever even been a man.

"That's crap!" Sam shouted. "The Doctor isn't your average man, at all. I don't think he even has a gender."

BREGMAN: You want to go there? Why, for God’s sake?

DOCTOR: I’m half-stupid. On my mother’s side.