The United States has an active pharmaceutical industry that has brought huge benefits to the U.S. public. Most Americans, who benefit from these advances, have little understanding of how difficult it is to create an important new medical therapy and make it available to improve public health.

This idea that clumsy, stumbling people are real bright is ridiculous, because intelligence is related to neurologic function, and really intelligent people are very well-coordinated.

The artificial heart is very effective as a bridge to transplant, but the number of people that can be saved with human hearts is limited. A perfect artificial heart could save many more patients.

I do not practice clinical medicine and hence do not treat individual patients. My career is in medical science.

The left and the right live in parallel universes. The right listens to talk radio, the left's on the Internet and they just reinforce one another. They have no sense of reality. I have now one ambition: to retire before it becomes essential to tweet.

The first half of the 20th century belongs to Picasso, and the second half is about photography. They said digital would kill photography because everyone can do it, but they said that about the box brownie in 1885 when it came out. It makes photography interesting because everyone thinks they can take a picture.

I try to exercise when I'm on road - I really do try - but I also try not to push myself too hard. I just try to move.

The health of the people is really the foundation upon which all their happiness and all their powers as a state depend.