Animal experimentation has been essential to the development of all cardiac surgery, transplantation surgery, joint replacements and all vaccinations.

Its the best time ever to be a doctor because you can heal and treat conditions that were untreatable even a few years ago.

I wanted to be a surgeon, possibly influenced by the qualities of our family doctor who cared for our childhood ailments.

I tell [medical students] that they are the luckiest persons on earth to be in medical school, and to forget all this worry about H.M.O.'s and keep your eye on helping the patient. It's the best time ever to be a doctor because you can heal and treat conditions that were untreatable even a couple of years ago.

I've never regretted a swim

Stem cells are probably going to be extremely useful. But it isn't a given, and even if it were, I don't think the end justifies the means. I am not against stem cells, I think it's great. Blanket objection is not very reasonable to me-any effort to control scientific advances is doomed to fail. You cannot stop the human mind from working.

To the patient, any operation is momentous.

And I start off every morning dedicating it to our Creator.