In the millennium of the ṛṣis, the Personality of Godhead accepted the third empowered incarnation in the form of Devarṣi Nārada, who is a great sage among the demigods. He collected expositions of the Vedas which deal with devotional service and which inspire nonfruitive action.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
तृतीयं ऋषिसर्गं च देवर्षित्वमुपेत्य सः । तन्त्रं सात्वतमाचष्ट नैष्कर्म्यं कर्मणां यतः
tṛtīyaṃ ṛṣisargaṃ ca devarṣitvamupetya saḥ | tantraṃ sātvatamācaṣṭa naiṣkarmyaṃ karmaṇāṃ yataḥ
SB 1.3.8