From a Christian point of view of course we do want a peaceful world, and I think September 11 did actually make people aware not only of vulnerability and how transitory life is, but there are forces of good and honor and justice which speak to us of God and his love for us.
This nation will remain the land of the free only so long as it is the home of the brave.
Now at 47, 48 I am expected to do ten times better work that I did when I was 24.