Śrīmad-Bhāgavatam · Text 10.20.40
Who is speaking and story frame
निश्चलाम्बुरभूत्तूष्णीं समुद्र: शरदागमे ।
आत्मन्युपरते सम्यङ्मुनिर्व्युपरतागम: ॥ ४० ॥
niścalāmbur abhūt tūṣṇīṁ
samudraḥ śarad-āgame
ātmany uparate samyaṅ
munir vyuparatāgamaḥ
With the arrival of autumn, the ocean and the lakes became silent, their water still, just like a sage who has desisted from all material activities and given up his recitation of Vedic mantras.
Read the purport on Vedabase.ioFrom Canto 10, chapter 14 onward, the translation and purports were completed by Śrīla Prabhupāda's disciples after his departure, and published by the Bhaktivedanta Book Trust.