And they lived happily ever after.

Closing Title Card

[on how she knew a spaceship was going to crash] I'm an archaeologist from the future. I dug you up!

River

[Her diary is almost full] The man who gave me this was the sort of man who knew exactly how long a diary you were going to need.

River Song

Tell me, were you born boring, or did you have to work at it?

River Song

'Sonic trowel'? Do you know how ridiculous that sounds?

The Doctor

River Song: I'm your wife!
King Hydroflax: You planned to murder me!
River Song: Don't change the subject!

River Song: If either of you ever use my name again, I'll remove your organs in alphabetical order. Any questions?
The Doctor: Which alphabet?

[to the TARDIS] You are a time-space machine! You are a VEHICLE! I've never asked you to cheer me up with hologramatic ANTLERS!

The Doctor

Why? Why does everyone think I'm so scared? We all face the raven in the end.

Clara

Never be cruel, and never be cowardly, and if you are, always make amends.

The Doctor

Tomorrow's promised to no one, but I insist upon my past! I am entitled to that!

Clara

Four knocks. It's always four knocks.

The Doctor

Doctor Who Season 9 Quotes

What have we got? What do we know? It's not an attack. It's not an invasion because, well that doesn't come with a fair warning. So, somebody needs our attention. Somebody who needs to put a gun to our heads to make us listen.

Clara

The Doctor: Tell me the name of the boy who isn't going to die today.
Boy: Davros. My name is Davros.