Great devotees, who were always engaged in the service of the SPG, as well as the great sages named Kapila, Narada and Dattatreya, and masters of mystic powers, headed by Sanaka Kumara, all attended the great sacrifice with Lord Visnu

Expressions researched:
"Great devotees, who were always engaged in the service of the Supreme Personality of Godhead, as well as the great sages named Kapila, Nārada and Dattātreya, and masters of mystic powers, headed by Sanaka Kumāra, all attended the great sacrifice with Lord Viṣṇu"

Srimad-Bhagavatam

SB Canto 4

Great devotees, who were always engaged in the service of the Supreme Personality of Godhead, as well as the great sages named Kapila, Nārada and Dattātreya, and masters of mystic powers, headed by Sanaka Kumāra, all attended the great sacrifice with Lord Viṣṇu.

SB 4.19.6, Translation

Great devotees, who were always engaged in the service of the Supreme Personality of Godhead, as well as the great sages named Kapila, Nārada and Dattātreya, and masters of mystic powers, headed by Sanaka Kumāra, all attended the great sacrifice with Lord Viṣṇu.