What does gene A do? What does gene B do? What does it do in different contexts? What's its importance? We know the answer to that for a very small number of genes, the ones that made themselves evident many years ago.

Many years ago, I really didn't know where the next work was coming from.

There were so many individual styles thirty or forty years ago.

I never knew that I'd still be doing this so many years later.

When are we going to say cancer is cured? I'm not sure when that will happen, if that will happen because cancer is a very slippery disease and it involves a vast number of cells in the body and those cells are continually mutating.

There is a statistic I heard a number of years ago: if you know somebody who is 85 years old, that person was born into a world that had a third as many people as the world does today. The population has tripled in the past 85 years.