set out here. It can be summarized in three statements of fact. First, men “walk in darkness.” Or, dropping the metaphor, all men are sinners. Sin is a distasteful subject, but we cannot close our eyes to an obvious fact which the Bible declares and experience confirms. The darkness of selfishness and sin overshadows our whole life. Secondly, “God is light.” Unlike men there is in him “no darkness at all.” He is absolutely pure and spotless. Thirdly, as light and darkness can never live together,