एष दैनन्दिनः सर्गो ब्राह्मस्त्रैलोक्यवर्तनः ।
तिर्यङ्नृपितृदेवानां सम्भवो यत्र कर्मभिः ॥ २६ ॥
brahmas trailokya-vartanah
esah-all these creations; dainamdinah-daily; sargah-creation; brahmah-in terms of the days of Brahma; trailokya-vartanah-revolution of the three worlds; tiryanc-animals lower than the human beings; nr-human beings; pitr-of the Pita planets; devanam-of the demigods; sambhavah-appearance; yatra-wherein; karmabhih-in the cycle of fruitive activities.
In the creation, during Brahma's day, the three planetary systems-Svarga, Martya and Patala-revolve, and the inhabitants, including the lower animals, human beings, demigods and Pitas, appear and disappear in terms of their fruitive activities.