No one knows the diversity in the world, not even to the nearest order of magnitude. ... We don't know for sure how many species there are, where they can be found or how fast they're disappearing. It's like having astronomy without knowing where the stars are.

The historical circumstance of interest is that the tropical rain forests have persisted over broad parts of the continents since their origins as stronghold of the flowering plants 150 million years ago.

No one knows the diversity in the world, not even to the nearest order of magnitude. ... We don't know for sure how many species there are, where they can be found or how fast they're disappearing. It's like having astronomy without knowing where the stars are.

In my heart, I'm an Alabaman who went up north to work.

Science and technology are what we can do; morality is what we agree we should or should not do.

People yearn to be in one of the best--a combat marine regiment, an elite college, the executive committee of a company, a religious sect, a fraternity, a garden club--any collectivity that can be compared favorably with other, competing groups.

In some ways, I had a traditional 'old South' upbringing, meaning that I spent some time in a military school, and acquired an inoculum of the military ethic that is still with me today: honor, duty, loyalty.