From the foregoing considerations we see that in the single acts of the just man Compassion works only indirectly through his formulated principles, and not so much actu as potenti�; much in the same way as in statics the greater length of one of the scale-beams, owing to its greater power of motion, balances the smaller weight attached to it with the larger on the other side, and works, while at rest, only potenti�, not actu; yet with the same efficiency.

Nevertheless, Compassion is always ready to pass into active operation. Therefore, whenever, in special cases, the established rule shows signs of breaking down, the one incentive (for we exclude of course those based on Egoism), which is capable of infusing fresh life into it, is that drawn from the fountain-head itself — Compassion. This is true not only