The logic for me, in writing it is that the different areas or different years are almost like different rooms.

If technology is a drug – and it does feel like a drug – then what, precisely, are the side-effects?

The biggest teenage taboo is being strait-laced. It's easy to tell a researcher you went to a house party that turned into an orgy. It's less easy to say you like eating toast and watching QI.

My theory is that we used to have several personalities, and now we're encouraged to have one online.

Man the lifeboats. The idiots are winning.

That's not something that we've gone in thinking 'Right! How are we going to examine that now?' It's just when you take a step back you see that they're actually all sort of in that mode.

Whenever anything nice happens in the world I always expect something appalling to happen immediately afterwards.

I'm actually quite pro-technology, but I'm a worrier, so I like to envision worst-case scenarios.

Technology by default became the thing that was a new thing that had swept in and was altering it everything.

The iPad falls between two stools - not quite a laptop, not quite a smartphone. In other words, it's the spork of the electronic consumer goods world.

In summary, our world is doomed.

There is nothing in this world that never takes a step outside a person's heart.

What is nobler, " she mused, turning over the photographs, "than to be a woman to whom every one turns, in sorrow or difficulty?

You must not believe anyone in the search for truth; you have to find out for yourself. But although you are on your own, help will come when it is really needed.

I feel like great TED Talks are ones that are a little bit subject to interpretation, that do provoke further conversation - and potentially controversy.

Lesson number one: Pay attention to the intrusion of the camera.

Success is the process of not accepting failure.

They can take everything away from me, but they can never take my pride, unless I somehow get some.

I've become much more interested in architecture than I've ever been.

The devil is always discovering something novel against the truth.

I have a tendency to make my partner my everything and that is unfair and it doesn't end up working out because you can't rely on that one person to fulfill all of your needs emotionally.