Time wealth is all about having the freedom to decide how you spend your time, who you spend it with, where you spend it, and what you trade it for. It boils down to one simple truth: recognizing time as your most precious asset—the only thing you can never get back.

The people in the advanced countries now face a choice: we can express justified horror, or we can seek to understand what may have led to the crimes. If we refuse to do the latter, we will be contributing to the likelihood that much worse lies ahead.

The things that are trivially easy for humans turn out to be extraordinarily difficult for machines, and vice versa. I cannot do the square root of a large number in my head, but my pocket calculator can do that instantly. But my pocket calculator still cannot make me a cup of coffee.

On the whole, science is seen as one of the most trusted professions- and we need to retain that trust. It is essential that the public knows how deeply science and technology affect their lives.

You know what else is immoral? 700 million people who have no electricity. We need to have actual conversations about how to solve problems – and hold the uneasy tension of who pays for it, and how.