As a prosecutor, I recognize that our involvement typically begins when it's already too late: when prevention, humanity, and common sense have failed. Violence, whether in families, communities, or at an international level, signifies a failure of humanity.

You have to be your own hero; that doesn't mean sticking your head up your own ass- but being accountable for who you are as a person and finding strength from within.

Our message to countries continues to be: you must take a comprehensive approach. Not testing alone. Not contact tracing alone. Not quarantine alone. Not social distancing alone. Do it all. Any country that looks at the experience of other countries with large epidemics and thinks 'that won't happen to us' is making a deadly mistake. It can happen to any country…

The consumer is far better educated today than he ever was. Consumers don't need to rely on intermediaries to tell them what is good or bad- people are social, they share information with friends and strangers, and go to a broader community for help and assistance.

Mobile phones can really revolutionize the study of human behavior.

No one has to be a genius, but everyone has to participate.

Our system has never defined what it means to be 'good' – what is the ideal human being in capitalism? Is it Jeff Bezos? Is it Steve Jobs? They thrived, they profited, are they 'moral'? Even though they exploit the labour of millions of people?

In rich countries, 'innovation' often means finding a better way of doing things. But in developing countries, it can mean finding a way to do things at all.

That's what entrepreneurship is all about–experimenting and finding a way of achieving some goal in the context of business. It's something I've always found fascinating.

World poverty has been reduced significantly- and whilst everyone seems to think the world is getting more impoverished, this simply is not the case. Scientific cooperation has improved too, and this has allowed significant advances in global health.

Fear isn't just a neurophysiological phenomenon; it's also socio-cultural. We're enculturated to fear; it's something that we inherit, acquire, and learn – which implies that there is possibility of 'unlearning' our fear.

There's some psychological evidence which shows that people who have experienced very little suffering in their lives often have very low tolerance for difficulty and strangely enough, lower kindness.