Śrīmad-Bhāgavatam · Text 12.4.37
Who is speaking and story frame
अनाद्यन्तवतानेन कालेनेश्वरमूर्तिना ।
अवस्था नैव दृश्यन्ते वियति ज्योतिषामिव ॥ ३७ ॥
anādy-antavatānena
kāleneśvara-mūrtinā
avasthā naiva dṛśyante
viyati jyotiṣām iva
These stages of existence created by beginningless and endless time, the impersonal representative of the Supreme Lord, are not visible, just as the infinitesimal momentary changes of position of the planets in the sky cannot be directly seen.
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.