Narada-bhakti-sutra Text 2
Translation & Purport by His Divine Grace A.C. Bhaktivedanta Swami
TRANSLATION
Devotional service manifests as the most elevated, pure love for God.
PURPORT
As stated before, after attaining the highest stage of self-realization, one becomes situated in devotional service to the Lord. The perfection of devotional service is to attain love of God. Love of God involves the Supreme Personality of Godhead, the devotee, and the process of devotional service. Self-realization, the brahma-bhūta stage, is the beginning of spiritual life; it is not the perfectional stage. If a person understands that he is not his body and that he has nothing to do with this material world, he becomes free from material entanglement. But that realization is not the perfectional stage.
The perfectional stage begins with activity in the self-realized position, and that activity is based on the understanding that a living entity is eternally the subordinate servitor of the Supreme Lord. Otherwise, there is no meaning to self-realization. If one is puffed up with the idea that he is the Supreme Brahman, or that he has become one with Nārāyaṇa, or that he has merged into the brahmajyoti effulgence, then he has not grasped the perfection of life. As the Śrīmad-Bhāgavatam (10.2.32) states,