Just try to imagine what it would be like to be 300 million years old.

By lifting the weakest, poorest among us, we lift the rest of us as well.

Leadership means bringing people together in pursuit of a common cause, developing a plan to achieve it, and staying with it until the goal is achieved.

We all do better when we work together. Our differences do matter, but our common humanity matters more.

A great democracy doesn't make it harder to vote than to buy an assault weapon.

The world has never truly had to develop an ethic of interdependence rooted in our common humanity. And if we do it, the 21st century will be the most interesting, exciting, peaceful era in history.

When Galileo discovered he could use the tools of mathematics and mechanics to understand the motion of celestial bodies, he felt, in the words of one imminent researcher, that he had learned the language in which God recreated the universe. Today we are learning the language in which God created life. We are gaining ever more awe for the complexity, the beauty, the wonder of God's most devine and sacred gift.