Srimad-Bhagavatam: Canto 3 - Chapter 1 - Verse 22

Sanskrit:

देवता: प्रभया या या दीव्यन् प्रमुखतोऽसृजत् ।ते अहार्षुर्देवयन्तो विसृष्टां तां प्रभामह: ॥ २२ ॥

ITRANS:

devatāḥ prabhayā yā yādīvyan pramukhato ’sṛjatte ahārṣur devayantovisṛṣṭāṁ tāṁ prabhām ahaḥ

Translation:

He then created the chief demigods, who were shining with the glory of goodness. He dropped before them the effulgent form of daytime, and the demigods sportingly took possession of it.

Purport:

Demons were born from the creation of night, and the demigods were born from the creation of day. In other words, demons like the Yakṣas and Rākṣasas are born of the quality of ignorance, and demigods are born of the quality of goodness.