Jamieson, Fausset and Brown on Luke 16:10

10. He, &c.--a maxim of great pregnancy and value; rising from the prudence which the steward had to the fidelity which he had not, the "harmlessness of the dove, to which the serpent" with all his "wisdom" is a total stranger. Fidelity depends not on the amount entrusted, but on the sense of responsibility. He that feels this in little will feel it in much, and conversely.