I spent a lot of time when I was president, trying to end wars, prevent killing, and promote understanding. What I have seen is that peace works better than conflict, and one of the best manifestations of it is in travel and tourism.
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.