Thus learned men describe the births and activities of the unborn and inactive, which is undiscoverable even in the Vedic literatures. He is the Lord of the heart.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
एवं जन्मानि कर्माणि ह्यकर्तुरजनस्य च । वर्णयन्ति स्म कवयो वेदगुह्यानि हृत्पतेः
evaṃ janmāni karmāṇi hyakarturajanasya ca | varṇayanti sma kavayo vedaguhyāni hṛtpateḥ
SB 1.3.35