Lord Brahmā, Lord Śiva, the Manus, all the other demigods in the higher planetary systems, and you prajāpatis, who are increasing the population, are working for the benefit of all living entities. Thus you expansions of My marginal energy are incarnations of My various qualities.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
ब्रह्मा भवो भवन्तश्च मनवो विबुधेश्वराः । विभूतयो मम ह्येता भूतानां भूतिहेतवः
brahmā bhavo bhavantaśca manavo vibudheśvarāḥ | vibhūtayo mama hyetā bhūtānāṃ bhūtihetavaḥ
SB 6.4.45