“When you run with the Doctor, it feels like it'll never end. But however hard you try you can't run forever. Everybody knows that everybody dies and nobody knows it like the Doctor. But I do think ...”

“The universe is big, its vast and complicated, and ridiculous. And sometimes, very rarely, impossible things just happen and we call them miracles. And that's the theory. Nine hundred years, never ...”

“The universe is big. It's vast and complicated and ridiculous. And sometimesvery rarelyimpossible things just happen and we call them miracles.”

“People assume that time is a strict progression of cause to effect, but *actually* from a non-linear, non-subjective viewpoint - it's more like a big ball of wibbly wobbly... time-y wimey... stuff.”

“This was supposed to be yesterday. I was sitting on the Cardiff/London train, supposedly about to write this very column, and realising something quite terrible. My head was entirely empty. A vast ...”

“What's the point of being a grown-up if you don't get to be immature?”

“He could totally be your boyfriend," [Angel] went on with annoying persistance. "You guys could get married. I could be like a junior bridesmaid. Total could be your flower dog.""I'm only a kid!" I...”

“I'll never see Ivy alive again.But she's still everywhere. In every drop of bubbling swamp water. In every leaf hanging from every tree. In every speck of swamp mud. In every blade of grass. In eve...”

“If you meet an angel, you will have not peace, but a fever.”

“Men who fear demons see demons everywhere.”

“What, if some day or night a demon were to steal after you into your loneliest loneliness and say to you: 'This life as you now live it and have lived it, you will have to live once more and innume...”

“I suddenly realized. The zebra. It is not something outside of us. The zebra is something inside of us. Our fears. Our own self-destructive nature. The zebra is the worst part of us when we are fac...”

“A doctor must work eighteen hours a day and seven days a week. If you cannot console yourself to this, get out of the profession.”

“In the words of the philosopher Sceptum, the founder of my profession: am I going to get paid for this?”

“Do not work primarily for money; do your duty to patients first and let the money follow; our life is short, we don't live twice; the whirlwind will pick up the leaves and spin them, but then it wi...”