There is a clear matter that I am not a practicing physician; I have never been a practitioner; everybody has known for decades.

Leaders are visionaries with a poorly developed sense of fear and no concept of the odds against them.

I am, in fact, a medical doctor; I am a world expert in mechanical heart technology; and I am an athletically fit man who takes care of his own health through diet and exercise, including frequent five mile runs.

As spokesman for Lipitor, I have been an advocate of preventive medicine in addition to my work with the Jarvik 2000 Heart, which has rescued people from death and sustained a patient with a normal, mobile lifestyle for seven and a half years - the longest in the world.

As a medical doctor who chose a career in artificial heart technology rather than clinical practice, I decided not to take an internship, which is required for licensing. Instead, I work with invention, manufacturing, regulatory affairs, and clinical application of artificial hearts.

I am a medical scientist, not a practical physician.

There is a clear matter that I am not a practicing physician; I have never been a practitioner; everybody has known for decades.