Overall, the human brain is the most complex object known in the universe - known, that is, to itself.

Humanity is exalted not because we are so far above other living creatures, but because knowing them well elevates the very concept of life.

The one process now going on that will take millions of years to correct is the loss of genetic and species diversity by the destruction of natural habitats. This is the folly our descendants are least likely to forgive us.

The variety of genes on the planet in viruses exceeds, or is likely to exceed, that in all of the rest of life combined.

There is no better high than discovery.

Thirty trillion dollars worth of services, scot-free to humanity, every year.

Overall, the human brain is the most complex object known in the universe - known, that is, to itself.