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.

I am old enough to remember when America's K-12 public schools were the best in the world. I am a proud graduate of them, and I credit much of my success to what I learned in Detroit Public Schools and at Michigan State University.

A real collector does not sell.

Time is the most valuable thing you have - and I'm not just talking about the minutes for which you're paid.

Any city in America would like to get a museum built if they didn't have to pay for it.

There were periods when the art market got overheated, but there is no reason it should appreciate dramatically.

I learned to embrace risk, as long as it was well thought out and, in a worst-case scenario, I'd still land on my feet.