Every science begins as philosophy and ends as art.

To say nothing, especially when speaking, is half the art of diplomacy.

There have been only 268 of the past 3,421 years free of war.

We Americans are the best informed people on earth as to the events of the last twenty-four hours; we are the not the best informed as the events of the last sixty centuries.

Global climate change has a profound impact on the survival and development of mankind. It is a major challenge facing all countries.

No major technological change has ever been instituted by mankind without an array of negative consequences. The motor car has meant liberation for millions, but it has also caused congestion, environmental damage, and a disturbing death toll on the roads.

You may or may not agree with Obama's policy prescriptions, but they are, by and large, serious attempts to deal with the biggest issues we face: a failing health care system, oil dependency, income stagnation, and climate change.

The irony here is this administration is spending more money on climate change research and development than any administration in all the rest of the industrialized world combined.