Śrīmad-Bhāgavatam · Text 8.7.16
Who is speaking and story frame
मथ्यमानात् तथा सिन्धोर्देवासुरवरूथपै: ।
यदा सुधा न जायेत निर्ममन्थाजित: स्वयम् ॥ १६ ॥
mathyamānāt tathā sindhor
devāsura-varūtha-paiḥ
yadā sudhā na jāyeta
nirmamanthājitaḥ svayam
When nectar did not come from the Ocean of Milk, despite so much endeavor by the best of the demigods and demons, the Supreme Personality of Godhead, Ajita, personally began to churn the ocean.
Read this verse on Vedabase.ioThis verse has no purport; its meaning is explained by the verses around it.