Nothing is ever really lost. The memories of good friends and good times are always there, never more than a thought away. In a sense, they never really stopped happening. Every moment you ever treasured, every friend you ever valued is still there, separated from us only by time; the past is still happening and always will be. It's only we who have moved on.

Wait. You've got principles? We'll have to update your file.

If you don't trust anyone, they can't let you down.

Sometimes humour is all we have to say the things that can't be said.

Who's got my Jaffa Cakes? You know I can't function without Jaffa Cakes.

First rule of engineering; beware prototypes. Along with, avoid anything made by an engineer who doesn't have all his own fingers.

Eddie Drood: Is this why we become agents? To play games, to chase after secrets that are rarely worth all the blood spilled on their behalf...To end up stabbed in the back, just when you thought you'd won, bleeding out in some nameless backstreet...With most people never even knowing who you were, or what you did, or why it mattered?