There is no such thing as zero uncertainty.

Humans are very good at making algorithms work eventually.

The brain has a good error rate. But, the point is, you can function with that error rate. Animals do a lot of guesswork.

Human beings, from a mathematical perspective, are fairly limited. Two and three dimensions, maybe five, and we're OK.

Sometimes guessing is the best you can do. In the real world, we guess all the time and it serves us well.

True confidence is not about what you take from someone to restore yourself, but what you give back to your critics because they need it more than you do.

How do I get past my fears? Make a life for myself? Risk loving someone? When death is all that waits for you, what's the point in trying to have a life?

life itself is not the miracle. that pain should be so constant, that's the miracle -

I don't think our pro offense would work at the college level.

The most important thing I have to say to you today is that hair matters. Pay attention to your hair, because everyone else will.

One of the things that's fun about that is that sometimes you grow up knowing about someone because they were famous, but you don't really know what they were like before they were famous.

You will be able to check envy if you rejoice with the man whom you envy whenever he rejoices, and grieve whenever he grieves.

With every episode of struggle, there is a learning opportunity.

At one point, CERN was toying with patenting the World Wide Web.

Why not work with your friends? It's working with people you know, and you share the same sensibility.