"In some cases radiation reduces the incidence of cancer."

"My main frustration is the fear of cancer from low dose radiation, even by radiologists."

"Nuclear physics is interesting but it is unlikely to help society."

"Medical physics is an applied area of physics."

"Advances in science and medical research and public health policies have meant that life expectancy for Australians is one of the highest in the world."

"Entire ignorance is not so terrible or extreme an evil, and is far from being the greatest of all too much cleverness and too much learning, accompanied with ill bringing-up, are far more fatal."

"The only way to keep your health is to eat what you don't want, drink what you don't like, and do what you'd rather not."

"I don't know of a Democrat - whether they're a conservative, a centrist or a liberal Democrat - that doesn't think that it's important to have quality jobs that pay decent wages so that families can support themselves, so that they can have the dignity of being able to afford health care, put money aside for pension, buy a home."