You sort of perform your personality, I guess, to everyone on some level.

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.

Your calling can never fail you

It was great fun, But it was just one of those things.

The most abundant, least used, and most abused resource in the world is human spirit and ingenuity.

The leader is one who mobilizes others toward a goal shared by leader and followers.

We cannot and will not ban the creation of violent video games. But, we can prevent the distribution of these disturbing games to children, where their effects can be negative

I am an analyst; my job is to analyze.

The ploughman knows how many acres he shall upturn from dawn to sunset: but the thinker knows not what a day may bring forth.

Boris [Johnson] and Dave [Cameron] gnawed each other's testicles [during the Tory civil war which blighted the EU referendum].

In order to grow, you must accept new responsibilities, no matter how uncertain you may feel or how unprepared you are to deal with them.

One of my motivations to become a blood specialist was to study malaria in red blood cells. But in science, you discover something and you want to go this way, but your work goes that way.