Matsya Purana 223.7

223.7

sadyaḥ svakāryamuddiśya kuśalai rye hi bheditāḥ.
bheditāste vinirdiṣṭā naiva rājñārthavādibhiḥ .. 223.6 ..

A sovereign should not believe in the efficiency of his men employed in working out a policy of divide and rule, for the people to be disunited may be mostly found anxious to serve their respective ends—6