My dear Steven, history sometimes gives us a terrible shock, and that is because we don't quite fully understand. Why should we? After all, we're too small to realise its final pattern. Therefore don't try and judge it from where you stand. I was right to do as I did. Yes, that I firmly believe. [Steven leaves the TARDIS] Steven... Even after all this time, he cannot understand. I dare not change the course of history. Well, at least I taught him to take some precautions; he did remember to look at the scanner before he opened the doors. And now, they're all gone. All gone. None of them could understand. Not even my little Susan. Or Vicki. And as for Barbara and Chatterton — Chesterton — they were all too impatient to get back to their own time. And now, Steven. Perhaps I should go home. Back to my own planet. But I can't... I can't...
S3 E5The Massacre of St Bartholomew's Eve
S3 E6The Ark
Look, Dodo, you don't know what you might have found out here. No gravity, poisoned atmosphere, all sorts of things. Look, stop prancing around over there. What happens if you get lost?
I catch a bus back.
A bus? Look, what are you talking about? I mean, just where do you think you are?
Ah! Bet you thought you'd caught me, didn't you? Bet you thought I didn't know. Well, I do.
You do?
Of course I do.
What, this place? I mean, you recognise it? What, with all these strange animals and flowers and things?
[Toucan in the trees.]
Well, you can't have been here before.
Yes, I have. It's just outside London. I came here once with the school. It's called Whipsnade.
Flowers from America. A bird from Africa. A snake from Brazil. And now an elephant from India.
Well then, use it, my child! We must do something about that cold of yours. That reminds me, why are you dressed in these stupid clothes? Have you been footling about in my wardrobe? Is that what it is? What do you think you're playing at, crusades?
Yes, you do, my dear. Now you take care of them because you never know when we might use them. Now, I suggest we take a last look round and we'll get you off to bed.
Oh, you're not going to send me home, are you?
Home? Ho, ho! What an idea. I couldn't send you home even if I wanted to.
Oh, that's all right, then. I think I'm beginning to enjoy this space travel or whatever it is
No, no, no, dear boy. All this is a spaceship!
A spaceship?
Yes, exactly!
Hey, Doctor? If this is a spaceship what are they?
A group of Monoids appear and circle them]
Well, you did come, my dear, so it's too late to be worry about that. And stop snivelling!
I'm not snivelling. It's me nose running again! Anyway, I'm feeling better now but I don't suppose anyone cares.
But of course they care, my dear. Now don't worry. It's not your fault at all. If it's anybody's, it's mine.
Look, do you think this has happened before? That we've carried an infection from one age to another, or even one planet to another?
Oh, I don't want to think it about it, dear boy. It's too horrifying. Though I must say that we're usually very healthy.
It'll spread through the whole ship, become an epidemic.
Well, that depends on the strength of the virus infection.
If it's half as bad as my cold was, it will.
Oh, do blow your nose, child. It's running all over the place.
No, it isn't. I'm crying this time.
[the Doctor sneezes and as he does so he slowly fades away. Steven and Dodo don't notice right away because they are facing each other]
Bless you.
Oh, Doctor, don't say you're catching a cold now.
[Now Steven and Dodo turn toward the Doctor and discover that he's disappeared] Doctor? Well, where are you?
[the Doctor briefly fades in and out of sight but then completely disappears] What do you mean, dear boy? I'm still here, hmm?
Huh?
Doctor, you've vanished!
What? Oh, nonsense, child! Nonsense! Hmm!
You have! Do you think this is something to do with the Refusians?
Why... it must be!
You're wrong! This is something far more serious. We're in grave danger. This is some form of attack!
S3 E7The Celestial Toymaker
I'm bored. I love to play games but there's no-one to play against. The beings who call here have no minds, and so they become my toys. But you will become my perpetual opponent. We shall play endless games together, your brain against mine.
Your infantile behaviour... Is beyond a joke.
[The Doctor reaches down to put counter 1 on top of counter 2, to complete his trilogic game. But then hesitates]
... No, of course I mustn't. You very nearly caught me then, hmmm.
Make your next move, Doctor. Make your move.
But if I do, this place vanishes, hmmm?
... And then you have won completely...
... And if this place vanishes, then the TARDIS, and the rest of us, will vanish also.
Correct. That is the price of success. Make your last move, Doctor. Make your last move.
[The Doctor puts his hands on his lapels]
(to Sgt. Rugg and Ms. Wiggs) You fail me again, and I'll smash you like a stack of plates! (to make himself clear, the Toymaker picks up the only non-smashed plate and smashes it)
S3 E8The Gunfighters
I never touch alcohol.
[taking a swig] Well I do.
Aw for Pete's sake, Doc, tell 'em you're Holliday! You can take on all four of 'em any time.
Yes, I'm sorry, gentleman, but this is Holliday's young girlfriend, and she's only lying to protect him. Now, as I've already told you about this gun.
[Seth's revolver is shot from his hand and he clutches his wrist in pain. Nobody is more surprised than the Doctor who was merely waving the gun by way of explanation. But Kate is quick to take advantage of the confusion and produces her own weapon.]
Okay, don't try it, fellas. Nice shooting, Doc, but ya should have got him between the eyes.
Between the who?
The eyes.
Oh, my dear young lady, I, I, I, I...
Kill the next one that moves.
Yes, yes, quite so, quite so. Very good idea. Excellent. Well, you heard. Steven, get their guns!
[Steven is being forced to play a tune on the piano]
Let's hope the piano knows it.
He gave me a gun, he extracted my tooth. What more do you want?
These quotes come from Wikiquote's Doctor Who pages and are available under the Creative Commons Attribution-ShareAlike License.