Devibhagavatapurana 11.24.1

11.24.1

nārada uvāca |
nārāyaṇa mahābhāga gāyatryāstu samāsataḥ |
śāntyādikānprayogāṃstu vadasva karuṇānidhe ||

Nârada said:-- O Bhagavân! Thou art the ocean of mercy; kindly speak out to me in brief all the things and the duties to be observed and applied in the S’ânti Karmas (the peace bringing acts) of Gâyatrî.