I'm not an extravagant man. The fact that I can have a coffee out whenever I want still makes me feel grateful.

Keep going and don't give up. You're doing wonderfully. You'll know how to fly this thing eventually.

There is no such thing as too much swearing. Swearing is just a piece of linguistic mechanics. The words in-between are the clever ones.

There is no greater symbol of the artistic spirit of Scotland than the Mackintosh building. But more than that it is a symbol of where art belongs, rising as it does out of the heart of a great city. A mighty castle on a hill, it is a part of me, and of all Glaswegians.

When I first came to London, I loved hanging around in cafes, smoking, scribbling, dreaming. It was life-affirming and fun.

'Doctor Who' belongs to all of us. Everybody makes 'Doctor Who.'

The older I get, the more I think lightness of touch is an incredibly difficult thing to do.