Verse 18

एकदारब्धवान्स्नानं सरस्युदितपङ्कजे ।चिन्तयन्वैष्णवं वाक्यं महर्षिरिव मानसे

In plain words

One day he began his bath in the lake where the lotuses had risen, pondering Viṣṇu's words, like a great seer in the Mānasa.