Śrīmad-Bhāgavatam · Text 12.4.5
Who is speaking and story frame
द्विपरार्धे त्वतिक्रान्ते ब्रह्मण: परमेष्ठिन: ।
तदा प्रकृतय: सप्त कल्पन्ते प्रलयाय वै ॥ ५ ॥
dvi-parārdhe tv atikrānte
brahmaṇaḥ parameṣṭhinaḥ
tadā prakṛtayaḥ sapta
kalpante pralayāya vai
When the two halves of the lifetime of Lord Brahmā, the most elevated created being, are complete, the seven basic elements of creation are annihilated.
Read this verse on Vedabase.ioThis verse has no purport; its meaning is explained by the verses around it.
From 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.