Markandeyapurana 47.26

47.26

yasmādarvāg vyavartanta tator'vākstrotasastu te /
te ca prakāśabahulāstamodriktā rajo 'dhikāḥ //

Then he meditated further on another creation which should he capable of causation and be the highest. While he meditated so, and meditated on truth, the group of beings in which the stream of life passes downwards,[15] and which is capable of causation,[16] next became manifest out of the Imperceptible. Since the streams of life in them moved downwards, hence they[17] are “arvāk-srotasand they possess light[18] copiously; they are characterized chiefly by ignorance and passion. Hence they have abundance of suffering, and are continuously engaged in action; and they possess light externally and internally. They are mankind and are capable of causation.