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SB 3.10.7

tad vilokya viyad-vyāpi
 puṣkaraṁ yad-adhiṣṭhitam
anena lokān prāg-līnān
 kalpitāsmīty acintayat
Synonyms: 
tat vilokya — looking into that; viyat-vyāpi — extensively widespread; puṣkaram — the lotus; yat — that which; adhiṣṭhitam — he was situated; anena — by this; lokān — all the planets; prāk-līnān — previously merged in dissolution; kalpitā asmi — I shall create; iti — thus; acintayat — he thought.
Translation: 
Thereafter he saw that the lotus on which he was situated was spread throughout the universe, and he contemplated how to create all the planets, which were previously merged in that very same lotus.
Purport: 

The seeds of all the planets in the universe were impregnated in the lotus on which Brahmā was situated. All the planets were already generated by the Lord, and all the living entities were also born in Brahmā. The material world and the living entities were all already generated in seedling forms by the Supreme Personality of Godhead, and Brahmā was to disseminate the same seedlings all over the universe. The real creation is therefore called sarga, and, later on, the manifestation by Brahmā is called visarga.