"The drug is affecting my brain. Irreversible damage. [The Doctor: I'm the Doctor, I'll tell you if it's irreversible or not. Now just hang on.] I did my best. I kept my word. [The Doctor: I know.] Please, Doctor, kill me."

"My only regret is leaving Jaconda. Gave me a good life. Many great moments. One of the best, my friend, was that time by the fountain."

"I'm going home, mate!"

"Sarah! God help us! There's this man!"

"I love Rory, and I never told him. But now he's gone."

"Come on, keep moving. They won't fire."

"Jek! Where's the spectrox? [Sharaz Jek: Morgus!] You take one more step and we shoot."

"Er, this might be important, actually."

"Salateen... Hold me..."

"No, no! A friend! I'm a friend!"

"What's to stop me killing you all?!"

"One, two, three, four, five, six!"

"Hey, you listening, guys? This is the broadcast to end all broadcasts! Yee-haw!"

"Yes, my dear, you will."

"It's true! Everything I read, all the stories! It's all true!"

"No, not that! Please, shoot me! Sh- sh-"

"Ah, so you've come at last. I'm from Earth. I'm the Examiner."

"Emotion is a weakness. [The Doctor: I don't think so.] It brought you back for your friend, and it will cost you your life."

"Come back! Let me out of here!"

"Harriet Jones, former Prime Minister. [Dalek: Yes. We know who you are.] Oh, you know nothing of any human. And that will be your downfall."

"How do you know that?"

"Changing the future! It's called marriage..."

"Spare me, my brothers!"

"Clara Oswald: You told me the name you chose was a promise. What was the promise?"

"Humans can be monsterous enough to commit genocide. What of gods? It's not difficult to perceive the practically immortal, time and space-traveling Doctor as god-like. His superior vantage point and detachment allow him to make horrible calculations, sometimes sacrificing individuals for the greater good. He sees space-time in a way that's beyond human comprehension, understanding the sweep of history as from the point of view of a being that's outside both space and time, and yet who can intervene in and manipulate them. For all his genuine attachment to his various human (mortal) companions, he's ultimately a lonely being, a perpetual traveler, an observer to whom individual human and similar beings, with their limited life spans and understandings, must seem puny and ant-like."

"He's this sort of harborer of good and fun and madness, and he's the cleverest man in the universe — and the silliest man in the universe."

"This extraordinary character who is everything at all times. It's continuously inspiring really, to get to play this mercurial, anarchic, extraordinary creature who gets all the best lines and gets to be the cleverest person in the room. I'm sure I'll miss lots about it, but I'll forever be proud to have been part of it, to be part of that history."

"There's only one person in the universe who would know, straight away! One person who could help us! And where is he whenever you need him?"

"How does [the Doctor] decide who lives, who dies, when to intervene, and when not to? If you do save them, where do you stop? Do you remake the universe according to what you think is right and wrong?"

"At a later stage, Dr Who would be metamorphosed into a woman. This requires some considerable thought – mainly because I want to avoid a flashy Hollywood ‘Wonder Woman’ because this kind of hero(ine) has no flaws – and a character with no flaws is a bore."

"He is The Doctor. He has walked the universe for centuries untold. He has seen stars fall to dust. You might as well flirt with a mountain range."

"A lot of our heroes depress me. But you know, when they made this particular hero, they didn't give him a gun, they gave him a screwdriver to fix things. They didn't give him a tank or a warship or an X-wing fighter, they gave him a call box from which you can call for help. And they didn't give him a superpower or pointy ears or a heat ray...they gave him two hearts. And that's an extraordinary thing. There will never come a time when we don't need a hero like the Doctor."

"I’m the Doctor — I’m an alien from outer space, I’m 1000 years old, I’ve got two hearts — and I can’t fly a plane!"

"You've been asking a question, and it's time someone told you you've been getting it wrong. His name... His name is the Doctor. All the name he needs. Everything you need to know about him."

"Hello, Stormageddon. It’s The Doctor, here to help. Be quiet. Go to sleep. No really— stop crying. You’ve got a lot to look forward to you know: a normal human life on Earth. Mortgage repayments, the 9 to 5, a persistent nagging sense of spiritual emptiness. Save the tears for later boyo. Oh, that was crabby. No, that was old. But I am old, Stormy. I am so old. So near the end. But you, Alfie Owens. You are so young, aren’t you? And you know, right now, everything’s ahead of you. You could be anything. Yes, I know. You could walk among the stars. They don’t actually look like that, you know — they are rather more impressive. [uses his sonic to make a starry sky appear on the ceiling] Yeah! You know, when I was little like you, I dreamt of the stars. I think it’s fair to say, in the language of your age, that I lived my dream. I owned the stage. Gave it a hundred and ten percent. I hope you have as much fun as I did, Alfie."

"The Doctor [explaining his appearances are not what has caused aliens to appear]: It's a coincidence! It happens! It's what the universe does for… [sees Amy and Rory shopping in the store, and Amy being asked by a young girl for her autograph]… fun. [surprised to see the child who asked for an autograph pointing towards him — turns around and sees poster featuring Amy modeling for "Petrichor" perfume: "For the girl who's tired of waiting."]"

"One day you meet the Doctor. And of course, it’s the best day ever. It’s just the best day of your life. Because...because, he’s brilliant, and he’s funny, and mad, and best of all...really needs you. The trick is – don’t fall in love. I do that trick quite a lot, sometimes twice a day. And once you start running, you start to forget; slowly, after a while, you just stopping asking. Who are you? Where are you from? What set you on your way and where are you going? Oh...and what is your name? You get used to not knowing. I thought I never would. I was wrong. I know who he is. I know how he began and I know where he’s going. I learnt the truth about the Doctor and his greatest secret the day we went to Trenzalore."

"Some years ago, you travelled far and wide. And oh, the things you have seen! There was a man, a very special man. No, no, let me think. It wasn't a romance, no, it was something much, much more than that. He taught you so much. There was laughter and adventure, and you prayed that your time with him would never, ever end. But then suddenly he left you. The man was lonely. A scientist? No, a doctor. The Doctor. Am I right?"

"I can't save you from this. There’s nothing I can do to stop this. I stole your childhood and now I've lead you by the hand to your death. But the worst thing is I knew. I knew this would happen. This is what always happens. Forget your faith in me. I took you with me because I was vain. Because I wanted to be adored. Look at you. Glorious Pond. The girl who waited for me. I'm not a hero. I really am just a mad man in a box. And it’s time we saw each other as we really are. Amy Williams, it’s time to stop waiting."

"The Doctor: I'm not just a "professional." I'm the Doctor. Alex: What's that supposed to mean? The Doctor: It means I've come a long way to get here, Alex, a very long way. George sent a message — a distress call, if you like — Whatever is inside that cupboard is so terrible so powerful, that it amplified the fears of an ordinary little boy across all the barriers of time and space. Alex: Hey? The Doctor: Through crimson stars and silent stars and tumbling nebulas like oceans set on fire; empires of glass and civilizations of pure thought — and a whole terrible, wonderful universe of impossibilities. You see these eyes? They're old eyes — and one thing I can tell you, Alex: monsters are real. Alex: You're not from Social Services, are you?"

"Rory: Doctor, River was brainwashed to kill you. The Doctor: Well, she did. And then she used her remaining lives to bring me back. As first dates go, I’d say that was mixed signals."

"Good men don't need rules. Today is not the day to find out why I have so many of them."

"I hate good wizards in fairy tales; they always turn out to be him."