To end a war or to prevent one, to clean up earth's air and water, to make our cities increasingly livable, to give whites and blacks, rich and poor, equal education, equal opportunity, and equal justice, to prevent disease and to find cures for the so-called incurable ones—these are but a few of the problems that have seemed to defy solution.
Some people advocate revolutionary changes. But their suggestions do not catch on to any great extent or for any length of time, because when one thinks them through they bring mankind back again to where it started—a material world inhabited by mortals. Self-interest prevents mortals from seriously considering anything that does not benefit themselves.
But people's continued efforts to find solutions by encouraging men to value, and to work from, higher motives tell us that human beings are not entirely selfish. Christian Science reveals the fact that they are not entirely mortal. In Unity of Good Mary Baker Eddy writes: "Human beings are physically mortal, but spiritually immortal. The evil accompanying physical personality is illusive and mortal; but the good attendant upon spiritual individuality is immortal. Existing here and now, this unseen individuality is real and eternal."Un., p. 37;
