Harivamsha 3.20.2

3.20.2

sarvāṅgadhāraṇāṃ kṛtvā manasā prahasanniva |
brahmayogena ca brahmā sṛjate manasā prajāḥ ||

They all said to one another, "The great seer speaks rightly:
the path of our brothers must be traversed, of this there is no doubt;
having learned the extent of the earth, we will easily create creatures,"