If not me, who? And if not now, when?

You cannot go to sleep with one form of economic system and wake up the next morning with another.

When future generations judge those who came before them on environmental issues, they may conclude "they didn't know": let us not go down in history as the generations who knew, but didn't care

It will not be enough to rely on experts. Ordinary citizens must become experts too. It will take public opinion on a wide scale to ensure that world leaders act.

It is really important to solve the problem of rational utilization and distribution of wate supplies. I dare say, the shortage of fresh water is the major ecological problem of this moment.

America must be the teacher of democracy, not the advertiser of the consumer society. It is unrealistic for the rest of the world to reach the American living standard.

People, human beings with all their creative diversity, are the makers of history.