Bhagavatapurana 3.24.4

3.24.4

sa tvayārādhitaḥ śuklo vitanvan māmakaṃ yaśaḥ /
chettā te hṛdaya-granthim audaryo brahma-bhāvanaḥ //

4. The Lord Vishnu, the Pure, being worshipped by thee, will be born of thy womb (as thy son) in order to extend my

fame; He will root out the doubt and ignorance in thy mind and He will give precepts to the world regarding Brahman.