When I read history, I [see] what typically happens to presidents and the other party during tumultuous times and how people react when the economy is collapsing and they're losing their homes, losing their pensions - it sort of tracks, what ended up happening, because some of that is human nature.

Those opposed to abortion cannot simply invoke God's will-they have to explain why abortion violates some principle that is accessible to people of all faiths.

On every continent, there are girls who will go on to change the world in ways we can only imagine, if only we allow them the freedom to dream.

Global warming is not just the greatest environmental challenge facing our planet - it is one of our greatest challenges of any kind.

Together we can change our culture for the better by ending violence against women and girls, artists have a unique power to change minds and attitudes and get us thinking and talking about what matters, and all of us, in our lives, have the power to set an example. Join our campaign to stop this violence.

Part of what we have to do a better job of, if our democracy is to function in a complicated diverse society like this, is to teach our kids enough critical thinking to be able to sort out what is true and what is false, what is contestable and what is incontestable. And we seem to have trouble with that. And our political system doesn't help.

There's a whole generation coming up behind us that was engaged, inspired, worked for change during the course of my presidency, saw what was possible.