One of the great ambitions is to discover the diversity of the world, to discover who inhabits the world.

When will we make the same breakthroughs in the way we treat each other as we have made in technology?

The violent have been victorious for most of history because they kindled the fear with which everyone is born.

Everything I am going to say to you is the child of a conversation. [...] That is the aspect of conversation that particularly excites me: how conversation changes the way you see the world, and even changes the world.

The kind of conversation I like is one in which you are prepared to emerge a slightly different person.

Change the way you think, and you are halfway to changing the world.

We should strive to be employed in such a way that we don't realize that what we're doing is work.