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.
Existential prayer is one form of mystical contemplation. It is the prayer of just being. It has few words; and perhaps it has no images at all. In this prayer I just AM -- like the flower of the field or the birds of the air; and by just being I give glory to God.