We know cancer is caused ultimately via a link between the environment and genes. There are genes inside cells that tell cells to grow and the same genes tell cells to stop growing. When you deregulate these genes, you unleash cancer. Now, what disrupts these genes? Mutations.

I think the cardinal rule of learning to write is learning to read first. I learned to write by learning to read.

The history is important because science is a discipline deeply immersed in history. In other words, every time you perform an experiment in science or in medicine, what you're actually doing is you're answering someone, answering a question raised by someone in the past.

Writing anything as an expert is really poisonous to the writing process, because you lose the quality of discovery.

There's a saying in my business that there are two kinds of coaches - those who have been fired and those who haven't been fired yet. That's kind of like prostate cancer. Every man will have it if he lives long enough.

At 16, I would wear clothes that hid my body; now I've found clothes that fit me rather than cover me. I'm not skinny, but I'm healthy, and you have to embrace what you've been given.

I do not work out regularly, but I do dance so much and jump around so much on stage, and I do it every day, so I feel like that's my exercise.

And that means that no matter how we reform health care, we will keep this promise to the American people: If you like your doctor, you will be able to keep your doctor, period. If you like your health care plan, you'll be able to keep your health care plan, period. No one will take it away, no matter what.