kṛṣṇa-bhakti - devotional service to Lord Kṛṣṇa; abhidheya - the real activity of life; sarva-śāstre - all Vedic literatures; kaya - say; ataeva - therefore; muni-gaṇa - all saintly persons; kariyāche - have made; niścaya - firm conclusion.

“A human being’s activities should be centered only on devotional service to Lord Kṛṣṇa. That is the verdict of all Vedic literatures, and all saintly people have firmly concluded this.