Most discoveries even today are a combination of serendipity and of searching.

Cell culture is a little like gardening. You sit and you look at cells, and then you see something and say, 'You know, that doesn't look right'.

One swallow is a coincidence, but two swallows make summer.

This was yet another colonial fascination: to create the conditions of misery in a population, then subject it to social or medical experimentation.

Good physicians are rarely dispassionate. They agonize and self-doubt over patients.

I think the way we think about cancer, the way we treat cancer, has dramatically changed in the last century. There is an enormous amount of options that a physician can provide today, right down from curing patients, treating patients or providing patients with psychic solace or pain relief.

Cancer was not disorganized chromosomal chaos. It was organized chromosomal chaos