PB, 6, 9, 25.0 davidyutatyā ruceti vai gāyatryā rūpaṃ pariṣṭobhantyeti triṣṭubhaḥ kṛpety anuṣṭubhaḥ somāḥ śukrā gavāśira iti jagatyāḥ sarveṣāṃ vā eṣā chandasāṃ rūpaṃ chandāṃsīva khalu vai vrātopadeṣā pratipad bhavati svenaivaināṃs tad rūpeṇa samardhayati //