Pāli · Sutta Piṭaka (Pāli, Mahāsaṅgīti)
334
… Evamevaṁ kho, bhikkhave, appakā te sattā ye manussesu paccājāyanti; atha kho eteva sattā bahutarā ye aññatra manussehi paccājāyanti.
English · Bhikkhu Sujato
334
“… so too the sentient beings reborn as humans are few, while those not reborn as humans are many.”