I begin with the premise that behavior is an incredibly important element in medicine. Peoples habits, their willingness to quit smoking, their willingness to take steps to avoid transmission of HIV, are all behavioral questions.

There are three great themes in science in the twentieth century : the atom, the computer, and the gene.

Tobacco, UV rays, viruses, heredity, and age are the main causes of cancer.

I keep encouraging the pharmaceutical companies to put more money into R&D.

All basic scientists who look to the NCI for funding should know that I will tolerate no retreat on the study of model systems and the pursuit of fundamental biological principles.

My ideal summer day was reading on the porch.

In general, all cancers have been traditionally characterized by the way they appear under the microscope and the organs in which they arise.