Without a doubt, stem cell research will lead to the dramatic improvement in the human condition and will benefit millions of people.

I never stay anywhere — parties , museums, meetings — longer than 3 hours.

I don't see myself as a great discoverer of artists, like Charles Saatchi.

People don't know I've got a deep social conscience. I'm a child of the Depression, born in 1933. My parents were very liberal in their social views.

Research – and using what you learn from it to analyze every situation – is what separates being unreasonable from being irrational.

The biggest barrier we've seen to student progress is this: School policies and practices often prevent good teachers from doing great work and even dissuade some talented Americans from entering the profession. This needs to change.

Someone once told me I'm a sore winner, and they're right. I rarely take more than a moment to enjoy a success before I'm moving on and looking for the next challenge.