Alan Alda

I've been lucky enough to live through all the things that are supposed to give meaning to our lives, like parenting, grandparenting, art, celebrity. All these things you expect meaning to come from, and sometimes it comes when you're not expecting it.

I want to tell mayors, county chiefs and heads of big companies: don't just chase GDP growth; don't chase the biggest profits at the expense of our children and grandchildren and at the cost of sacrificing our ecological environment.

It is only when you watch the dense mass of thousands of ants, crowded together around the Hill, blackening the ground, that you begin to see the whole beast, and now you observe it thinking, planning, calculating. It is an intelligence, a kind of live computer, with crawling bits for its wits.