unfortunately, these young men do not understand that the sacrifice of life is, perhaps, the easiest of all sacrifices in many cases, while to sacrifice, for example, five or six years of their ebulliently youthful life to hard, difficult studies, to learning, in order to increase tenfold their strength to serve the very truth and the very deed that they loved and set out to accomplish--such sacrifice is quite often almost beyond the strength of many of them.