GB, 1, 5, 24, 3.1 ṛco 'sya bhāgāṃś caturo vahanty ukthaśastraiḥ pramudo modamānāḥ /

GB, 1, 5, 24, 5.2 brahmā brahmatvena pramudo modamānā asaṃsṛṣṭān bhāgāṃś caturo vahanti //