"It's definitely a challenge, but it's even more than that. Beyond the basic need to understand what you're saying, a computer needs to understand what you're trying to do. So humans talking to computers present variable challenges."

“She's not here," I tell him. Buttercup hisses again. "She's not here. You can hiss all you like. You won't find Prim." At her name, he perks up. Raises his flattened ears. Begins to meow hopefully. "Get out!" He dodges the pillow I throw at him. "Go away! There's nothing left for you here!" I start to shake, furious with him. "She's not coming back! She's never ever coming back here again!" I grab another pillow and get to my feet to improve my aim. Out of nowhere, the tears begin to pour down my cheeks. "She's dead, you stupid cat. She's dead.”

“Rose Tyler: Can't you come through properly? The Doctor: Then the whole thing would fracture. The two universes would collapse. Rose Tyler: So?”

“Well, I first started going to Europe in the late '70s.”

“The habit of dwelling on the past, has a narrowing as well as a debilitating influence. Behind us, there is a small, - an almost insignificant measure of time; before us, there is an eternity. It is the natural tendency of the mind to magnify the one, and to diminish the other ...”

Source : Harriet Martineau (1836). “Philosophical essays. Essays on the art of thinking. Sabbath musings. Moral essays. Parables. Poetry”, p.221

“The more natural, the better.”

“I do think actually in this case the government does get credit for funding some of the basic research.”

“Delaying and withholding tactics, red herrings, partial and doubtful outcomes are stock in trade for fiction writers, especially crime writers.”

“I've gone on workout regimes, but I seem to have a system that is very resistant to changing.”