Matsya Purana 81.3

81.3

matsya uvāca.
paripṛṣṭamidaṃ jagat priyante vibudhānāmapi durlabhaṃ mahattvāt.
tava bhaktimatastathāpi vakṣye vratamindrāsuramānaveṣu guhyam. 81.2 ..

The Lord said:—The question put by you, O Manu! is beneficial to the world, and, owing to the sublimity of the subject-matter, is beyond the reach of heaven even; and, though kept secret from Suras and Asuras, now, I shall relate it to you on account of your intense devotion.—2.