The origin of the absurd idea of immortal life is easy to discover; it is kept alive by hope and fear, by childish faith, and by cowardice.
I have been further enlightened by the conversation and correspondence of some illustrious Italians, whom I would gladly name, were I not afraid of exposing them to danger.
The Korean War has also show quite clearly that in a major conflict manpower is as important as horsepower.