I think confidence is something you build gradually, with experience. I've always felt that maybe one of the reasons that I did well as a student and made such good grades was because I lacked confidence. I never felt that I was prepared to take an examination, and I had to study a little bit extra.

A successful surgeon should be a man who, when asked to name the three best surgeons in the world, would have difficulty deciding on the other two.

The man who inspired me most, I think, was Dr. Alfred Blalock, who was professor of surgery at Johns Hopkins. He was a rather simple man with a burning curiosity. It was through his curiosity that he made many real contributions to medical science.

[The heart is] really a fascinating organ. It's about the only organ in the body that you can really witness its function. Doing things. And so on. Some of the other organs you can witness, like the intestines, will have this sort of peristaltic motion. But nothing that can compare with the activity of the human heart.

I've always felt that I did well as a student because I lacked confidence.

The spirit of Texas seems to pervade our everyday existence. Our desire is to be superlative, not only the largest, but also the best in the United States.

I still take failure very seriously, but I've found that the only way I could overcome the feeling is to keep on working, and trying to benefit from failures or disappointments. There are always some lessons to be learned. So I keep on working.