Jack said, 'Well, what do you know about PayPal?' – his response, 'I don't know anything about PayPal'. Jack then said, 'Okay, you're hired, we want you to be the CEO of Ali Pay!'

Fear has had a huge impact on human societies throughout history, and as science and archaeology are increasingly suggesting through prehistory, too. But my main interest is in how fear has been used as an instrument of power, wielded by rulers to consolidate their authority, and to manage their populations.

Think about a rabbit sitting in a field. If that rabbit saw a hawk circling above and decided to wait for the back-propagation step before responding, it would be dead. It has been eliminated from the gene pool. The better you model the world, and the faster you can act on that model, the more likely your genes are to survive.

Why should a creature that evolved out of slime, which has all the limitations which we do, be able to access this fundamental information about the universe which allows us, for example, to be able to predict the magnetic moment of the electron to a trillion decimal places on the basis of purely mathematical calculation. Why does that work? It is a miracle, it is magic, but it works- and that's the part of magic that's real.

You move faster with replication. There was a time I could finalize an acquisition of a $3 billion company within days, from hearing about it on a Thursday to announcing it publicly on a Sunday. Such speed is a testament to the value of a replicable process.

We therefore see the drone (robot) exhibiting (through software) signs of the moral-affective function of 'guilt' when engaging in each mission. The aim of such developments is to introduce a level of ethics into the battlefield which, as more drones and high power long range weapons are used, is becoming increasingly fraught with collateral damage.

People underestimate their personal probability of encountering negative …it is not so much that individuals believe that negative events will not happen, but rather that these events are relatively unlikely to happen to them.

Among future technologies that may pose significant existential risks I would rank machine super intelligence at or near the top.

I've always believed that everyone can look like a magazine cover star. It's not about being born beautiful, it's about finding that moment, that light, that expression that makes you shine.

We have been able to continue reactively where the pace of change has not outstripped our ability to react to it, but increasingly this is not the case and the pace of global change is pivotally now balanced with our ability to react, and soon will have a greater momentum than that.

One you have to get a unique insight. It starts there. Two, you need to be prepared to devote a lot of energy and commitment.

People find that you don't have to go around managing the maintenance of a building with a tool belt anymore, you can go around with an iPad. You've still got to operate buildings, but our buildings have to be technically oriented as we're challenging them to be greener. So, how do you go from a tool belt to an iPad?