We know more about war than we know about peace, more about killing than we know about living. We have grasped the mystery of the atom and rejected the sermon on the mount.
Each person, no matter how old, has an important work to do. This good work not only accomplishes something needed in the world, but completes something in us. The work we do in the world, when it is true vocation, always corresponds in some mysterious way to the work that goes on within us.