You can't go back and you can't stand still. If the thunder don't get you then the lightning will. That is what we are being funnelled toward, that

is the message of alchemy. That is the quintessence of the human enterprise, the biological enterprise. I like to recall the Irish toast "may you be alive at the end of the world." And we have a real crack at it. It's not a pessimistic vision. It's the most optimistic vision that one can suppose.