On how to become a good speaker: Practice all the time. One of the best ways is to put a bunch of marbles in your mouth while you talk. Slowly but surely you take away a marble. And then, when you've lost all your marbles, you're a public speaker.
We stand now where two roads diverge. But unlike the roads in Robert Frost's familiar poem, they are not equally fair. The road we have long been traveling is deceptively easy, a smooth superhighway on which we progress with great speed, but at its end lies disaster. The other fork of the road-the one less traveled by-offers our last, our only chance to reach a destination that assures the preservation of the earth.