Sure, science involves trial and error. Scientists refine theories each day. But as they do, they help us grasp more clearly the wonders of the world and the universe. ↗
The damage done to this country by its own misconduct in the last few months and years, to its very heart and soul, is far greater and longer lasting than any damage that any terrorist could possibly inflict upon us. ↗
We will be safer from terrorist attack only when we have earned the respect of all other nations instead of their fear, respect for our values and not merely our weapons. ↗
If the terrorists have the sympathy of people, it's much harder to find them. So we need people on our side, and that leads us to be responsible leaders of the world, show some concern with the problems. ↗
We are the most powerful nation on earth. No external power, no terrorist organization, can defeat us. But we can defeat ourselves by getting caught in a quagmire. ↗