Mia

“The Doctor: This is bad, I don't like this. [kicks console and yells in pain] Never use force, you just embarrass yourself. Unless you're cross, in which case... always use force!
Amy: Shall I run and get the manual?
The Doctor: I threw it in a supernova.
Amy: You threw the manual in a supernova? Why?
The Doctor: Because I disagreed with it! Now stop talking to me when I'm cross!”
― Steven Moffat

“The Doctor: 'You know when grown-ups tell you everything's going to be fine, but you really think they're lying to make you feel better?'
Amelia: 'Yeah...'
The Doctor: 'Everything's going to be fine.”
― Steven Moffat

“Kathy Nightingale: What's good about sad?

Sally Sparrow: It's happy for deep people.”
― Steven Moffat

“Rose: Look at you, beaming away like you're Father Christmas!
The Doctor: Who says I'm not, red-bicycle-when-you-were-twelve?
Rose: [shocked] What?
The Doctor: And everybody lives, Rose! Everybody lives! I need more days like this! Go on, ask me anything; I'm on fire!”
― Steven Moffat