One verse

Srimad Bhagavatam 5.15.4

5.15.4

य आत्मविद्यामाख्याय स्वयं संशुद्धो महापुरुषमनुसस्मार ॥ ४ ॥

ya atma-vidyam akhyaya svayam samsuddho maha-purusam anusasmara.

yah
who (King Pratiha)
atma-vidyam akhyaya
after instructing many people about self-realization
svayam
personally
samsuddhah
being very advanced and purified in self-realization
maha-purusam
the Supreme Personality of Godhead, Visnu
anusasmara
perfectly understood and always remembered.

King Pratiha personally propagated the principles of self-realization. In this way, not only was he purified, but he became a great devotee of the Supreme Person, Lord Visnu, and directly realized Him.