Long regarded as central to the contemporary understanding of medical ethics are four principles that must be satisfied in order to fulfill the requirements of moral decision-making. These principles are autonomy, justice, beneficence, and non-maleficence.

The Scientific Revolution, that remarkable transformation of European thought that occurred between approximately 1550 and 1700, brought with it an ascendancy of the experimental method and the refusal to believe any explanation of natural phenomena that could not be proven to the satisfaction of the empirical observer.

You know, ever since man had any notion that some of his other people, his colleagues, could be different, could be strange, could be severely depressed or what we now recognize as schizophrenia, he was certain that this kind of illness had to come from evil spirits getting into the body.

I have been following the attempt to initiate or revamp federal involvement in the health of Americans since it was a major topic for my high school debating team in 1947.

That death was near, I suppose I believed, but I saw it only as a rest after the day's work.

I'm dying to do something sci-fi! I would love to be on a spaceship and firing a laser gun! Something like that would be really awesome. Or something with dinosaurs. Or preferably both at once.

In an area of more than 1,000 war graves and with birdsong as the only sound, I contemplated the thin margin between life and death. If the sniper's bullet had been just two feet to one side, my father's life would have been over, aged just 27, and I would never have been born.

A friend of mine said something powerful at his grandfather's funeral. He said that the greatest lesson from his grandfather's life was that he died empty, because he accomplished everything he wanted, with no regrets. I think that, along with leaving a legacy, would be the greatest sign of success.