Śrīmad-Bhāgavatam · Text 10.74.4
Who is speaking and story frame
न ह्येकस्याद्वितीयस्य ब्रह्मण: परमात्मन: ।
कर्मभिर्वर्धते तेजो ह्रसते च यथा रवे: ॥ ४ ॥
na hy ekasyādvitīyasya
brahmaṇaḥ paramātmanaḥ
karmabhir vardhate tejo
hrasate ca yathā raveḥ
But of course the power of the Absolute Truth, the Supreme Soul, the primeval one without a second, is neither increased nor diminished by His activities, any more than the sun’s power is by its movements.
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.