Skandapurana 1.4.43.91

1.4.43.91

mānuṣyaṃ hi smṛtākāraṃ sabhāgyo'smādvimucyate..
paśavaḥ pakṣiṇaḥ kīṭāḥ kṛmayaśca yathāsukham.. 45.91 ..

Human birth has only an imaginary form; fortunate is one who is freed from it.
Beasts, birds, insects, and worms [live] as they please;