Change your leaders, not your light bulbs.

In the future, how we educate our children may prove to be more important than how much we educate them.

The country that owns green, that dominates that industry, is going to have the most energy security, national security, economic security, competitive companies, healthy population and, most of all, global respect.

What about the rest of life? Respect for the sanctity of life, if you believe that it begins at conception, cannot end at birth.

The Arab awakening was like watching elephants fly: something you didn't expect, something you haven't seen before, "Wow, elephants fly."

If we don't have a more serious energy policy, the difference between a good day and bad day for America from here on will hinge on how the 86-year-old king of Saudi Arabia manages...change.

I don't think a monarchy led by 75- and 80-year-old men [Saudi Arabia] in today's modern world is really sustainable.