Ray Kurzweil

No matter what problem you encounter, whether it's a grand challenge for humanity or a personal problem of your own, there's an idea out there that can overcome it. And you can find that idea.

By 2029, computers will have emotional intelligence and be convincing as people.

What we spend our time on is probably the most important decision we make.

There's a new generation of entrepreneurs in the Valley who have arrived since 2000, after the dotcom bust. They're completely fearless.

Another thing that freaks me out is time. Time is like a book. You have a beginning, a middle and an end. It's just a cycle.

It is only a step from boredom to disillusionment, which leads naturally to self-pity, which in turn ends in chaos.