Many of the best blessings of life may be traced to some affliction. For example, Dr. Moon, inventor of raised reading for the blind, at the very time of his highest attainments and largest usefulness, became totally blind. It seemed a terrible misfortune, and there appeared no alleviation. At first he was rebellious, refusing to submit to God. At length, however, he began to interest himself in the question of how he might be helpful to other people. The result was the invention of the alphabet for the blind which is now used in many countries, by which many millions of blind people in all parts of the world are enabled to read. Thus we can say of Dr. Moon’s blindness, that it came upon him that the works of God might be made manifest in him