Verse 38

येनैव व्यवहारेण ब्रह्माण्डेऽस्मिन्जनाः स्थिताः ।तेनैवान्येषु तिष्ठन्ति सन्निवेशविलक्षणाः

In plain words

By that very mode of worldly conduct by which people stand within this world-egg, they stand also within other [world-eggs] — differing only in their configuration.