Knowing the principles of self-realization, Mandhata worshiped that transcendentally situated Supreme Soul, the S P of God, Visnu, who comprises all the demigods. He also gave immense charity to the brahmanas, thus he performed yajna to worship the Lord

Expressions researched:
"Knowing the principles of self-realization, Māndhātā worshiped that transcendentally situated Supreme Soul, the Supreme Personality of Godhead, Lord Viṣṇu, who comprises all the demigods. He also gave immense charity to the brāhmaṇas, and thus he performed yajña to worship the Lord"

Srimad-Bhagavatam

SB Canto 9

The Supreme Personality of Godhead is not different from the auspicious aspects of great sacrifices, such as the ingredients of the sacrifice, the chanting of Vedic hymns, the regulative principles, the performer, the priests, the result of the sacrifice, the arena of sacrifice, and the time of sacrifice. Knowing the principles of self-realization, Māndhātā worshiped that transcendentally situated Supreme Soul, the Supreme Personality of Godhead, Lord Viṣṇu, who comprises all the demigods. He also gave immense charity to the brāhmaṇas, and thus he performed yajña to worship the Lord.

SB 9.6.35-36, Translation

The Supreme Personality of Godhead is not different from the auspicious aspects of great sacrifices, such as the ingredients of the sacrifice, the chanting of Vedic hymns, the regulative principles, the performer, the priests, the result of the sacrifice, the arena of sacrifice, and the time of sacrifice. Knowing the principles of self-realization, Māndhātā worshiped that transcendentally situated Supreme Soul, the Supreme Personality of Godhead, Lord Viṣṇu, who comprises all the demigods. He also gave immense charity to the brāhmaṇas, and thus he performed yajña to worship the Lord.