When I studied computer science at Duke University in the first half of the 1980s, I had professors who treated women differently than men. I kind of got used to it. At Microsoft, I had to use my elbows and make sure I spoke up at the table, but it was an incredibly meritocratic place. Outside, in the industry, I would feel the sexism. I'd walk into a room and until I proved my worth, everyone would assume that the guy presenting with me had credibility and I didn't.

Kids are falling through the cracks and nobody notices it. That to me is what's wrong with the school system.

Helping people doesn't have to be an unsound financial strategy.

Abortion has become a very politicised issue that I think countries have to work out themselves. In a lot of countries, people can't even yet agree on what their laws should be.

Make sure you continue to trust what you know now about yourself and stay true to what you believe in

Connect deeply with others. Our humanity is the one thing that we all have in common.

If you can't go to secondary school, the boys get to go and the girls don't, you're locked into a cycle of poverty, because you don't have a chance.