Kautilya's Arthashastra 7.5.49

7.5.49

kṛtārthas tu svayaṃ netā visṛjet sāmavāyikān /
api jīyeta na jayen maṇḍaleṣṭas tathā bhavet //E

Having been satisfied with mere victory, the leading conqueror should discharge his allies, having satisfied them with their shares he may allow himself to be conquered by them instead of attempting to conquer them (in the matter of spoils); it is thus that a king can win the good graces of his Circle of States.