I wish I had a talent for dropping things as well as taking on new ones. It gets to be quite a clutter after a while.

As soon as you go into any biological process in any real detail, you discover it's open-ended in terms of what needs to be found out about it.

Try hard to find out what you're good at and what your passions are, and where the two converge, and build your life around that.

When I was in high school, I became interested in cytochemistry: chemical analysis under the microscope, and trying to understand the composition of cells.

If it takes you 20 or 25 years to establish yourself in one field, you really ought to be careful not to stray too far.

I have many shortcomings. I feel very lucky to have been able to have what I've had.

The single biggest threat to man's continued dominance on the planet is the virus.