depression when there seem to be no results, the emotional exhaustion which pastoral concern can bring on—in short, all the times when the Christian minister or worker knows he has stretched to the limits of his capacities for a task which is very nearly, but by God’s grace not quite, too much for him. Anyone who knows only his strength, not his weakness, has never given himself to a task which demands all he can give. There is no avoiding this weakness, and we should learn to suspect those models