Bhagavatapurana 2.6.18

2.6.18

pādeṣu sarvabhūtāni puṃsaḥ sthitipado viduḥ /
amṛtaṃ kṣemam abhayaṃ trimūrdhno 'dhāyi mūrdhasu //

18. Therefore, O Brahman, this glory of the Purusha is immeasurable (boundless); and the wise know that all beings (creatures) rest on the three feet (in the worlds which are His parts) of Purusha to whom the worlds are like unto feet.

18. Unlimited therefore are the power and glory of this Purusha, O Brahman. The wise know (and tell us) that all creatures are situated at the feet of this Purusha (whose feet i.e., amsas are stithis स्थिति i.e., Bhuh and other regions, the abodes of beings,; and in the three regions (Jana, Tapas and Satya) situate above Maharloka which is above the three Lokas, (Bhur, Bhuvar and Svar) He has placed eternal blissfulness, security from trouble, and fearlessness i. e moksha (respectively.)