My ambitions were already very clearly fixed by the time I was 6 or 7.

If lifespan jumps by 30 or 40 years, that has enormous implications.

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.

I think we have to believe we are here for some purpose, and I know there are many cynics who will deny it, but they don't live as if they deny it.

I don't believe anybody can really grasp everything that's even in one textbook.

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.

So many of the things I've predicted were technologies that were just sitting right in front of us.