14–16. Light, like salt, affects its environment by being distinctive. The disciple who is visibly different from other men will have an effect on them. But the aim of his good works is not to parade his own virtue, but to direct attention to the God who inspired them. By so doing the disciple will give light to all (cf. Phil. 2:15). Jesus is pre-eminently the light of the world (John 8:12), as Isaiah had prophesied of the Servant (Isa. 42:6; 49:6), but this role passed to his disciples (cf. Acts
Page 118