The institution of marriage, if you look at it over many centuries, has come and gone.

Never before have humans been so ambitious, have they thought that they could be much more than their parents were.

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

The brain is full of lonely ideas, begging you to make some sense of them, to recognize them as interesting. The lazy brain just files them away in old pigeonholes, like a bureaucrat who wants an easy life. The lively brain picks and chooses and creates new works of art out of ideas.

The institution of marriage, if you look at it over many centuries, has come and gone.

All invention and progress comes from finding a link between two ideas that have never met.

I think the hero in our generation is not the individual but the pair, two people who together add up to more than they are apart.