Because we are now running out of gas and oil, we must prepare quickly for a third change, to strict conservation and to the use of ... permanent renewable energy sources, like solar power.

Even for the world's only superpower, the ends don't always justify the means.

Trust is very much a part of our democracy.

Our American values are not luxuries but necessities, not the salt in our bread, but the bread itself. Our common vision of a free and just society is our greatest source of cohesion at home and strength abroad, greater than the bounty of our material blessings.

Human rights is the soul of our foreign policy, because human rights is the very soul of our sense of nationhood.

If we do not learn to eliminate waste and to be more productive and more efficient in the ways we use energy, then we will fall short of this goal [for the Nation to derive 20 percent of all the energy we use from the Sun, by 2000]. But if we use our technological imagination, if we can work together to harness the light of the Sun, the power of the wind, and the strength of rushing streams, then we will succeed.

Habitat gives us an opportunity which is very difficult to find: to reach out and work side by side with those who never have had a decent home-but work with them on a completely equal basis. It's not a big-shot, little-shot relationship. It's a sense of equality.