All blessings upon you, O Sūta Gosvāmī. You know for what purpose the Personality of Godhead appeared in the womb of Devakī as the son of Vasudeva.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
सूत जानासि भद्रं ते भगवान् सात्वतां पतिः । देवक्यां वसुदेवस्य जातो यस्य चिकीर्षया
sūta jānāsi bhadraṃ te bhagavān sātvatāṃ patiḥ | devakyāṃ vasudevasya jāto yasya cikīrṣayā
SB 1.1.12