Śrīmad-Bhāgavatam · Text 10.51.19
Who is speaking and story frame
कालो बलीयान् बलिनां भगवानीश्वरोऽव्यय: ।
प्रजा: कालयते क्रीडन् पशुपालो यथा पशून् ॥ १९ ॥
kālo balīyān balināṁ
bhagavān īśvaro ’vyayaḥ
prajāḥ kālayate krīḍan
paśu-pālo yathā paśūn
“Inexhaustible time, stronger than the strong, is the Supreme Personality of Godhead Himself. Like a herdsman moving his animals along, He moves mortal creatures as His pastime.
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.