Devotional service is directly perceived
Source: BG 9.2 purport
In the Vedānta-sūtra (3.2.26) this is also described in the following words: prakāśaś ca karmaṇy abhyāsāt. “Devotional service is so potent that simply by engaging in the activities of devotional service one becomes enlightened without a doubt.”
A practical example of this can be seen in the previous life of Nārada, who in that life happened to be the son of a maidservant. He had no education, nor was he born into a high family. But when his mother was engaged in serving