Markandeyapurana 48.9

48.9

sattvamātrātmikāmeva tato 'nyāṃ jagṛhe tanum /
pitṛvanmanyamānasya pitarastasya jajñire //

Then he took another body which was indeed characterized by the particle of goodness; the Pitṛs were produced from him while he deemed himself to be. a pitṛ. The lord, after creating the pitṛs, abandoned that body also, and when abandoned it became the Twilight that intervenes between day and night. Next the lord assumed another body characterized by the particle of passion, and then were produced Mankind who spring from the particle of passion. After creating mankind, the lord abandoned that body, and it became the Twilight that ends the night and begins the day.