You know, maybe there was a little hanky-panky [when I lived in The White House]. There was like maybe a kiss on the roof.

In the past, human progress had to come at the cost of the environment. If we wanted energy, we had to burn wood or we had to burn fossil fuels. If we wanted to grow more food, we had to expand farmland, often at the cost of forests. But technology and innovation means we're very quickly decoupling these impacts, such that this conflict is no longer true.

There is nothing that's off limits. If people think something is off limits, I make it my business to go make a joke about it; that's my job.

Is there anyone out there? Or am I all alone? It wouldn’t make a difference; still, I don’t wanna know.

If you don't know what you're living for, you haven't yet lived.

There’s an interesting trend that occurs in times of mounting pressure and high uncertainty, which is that it’s a natural human tendency to seek out people that agree with us, that are similar to us because it’s a source of comfort in a world that’s so rapidly changing.

On perspective

On optimism

On Balance