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

Writing anything as an expert is really poisonous to the writing process, because you lose the quality of discovery.

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

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

I left Delhi in 1989 and remember very little of how life used to be then. Increasingly, in my recent visits to Delhi, I've started to realize that the city has become intellectually very lively. It makes me want to discover the city over and over again.

I believe the biggest breakthroughs on cancer could come from brilliant researchers based in India.

Down to their innate molecular core, cancer cells are hyperactive, survival-endowed, scrappy, fecund, inventive copies of ourselves.