Srimad-Bhagavatam: Canto 4 - Chapter 1 - Verse 3
Sanskrit:
तयो: समभवल्लोभो निकृतिश्च महामते ।ताभ्यां क्रोधश्च हिंसा च यद्दुरुक्ति: स्वसा कलि: ॥ ३ ॥
ITRANS:
tayoḥ samabhaval lobhonikṛtiś ca mahā-matetābhyāṁ krodhaś ca hiṁsā cayad duruktiḥ svasā kaliḥ
Translation:
Maitreya told Vidura: O great soul, from Dambha and Māyā were born Greed and Nikṛti, or Cunning. From their combination came children named Krodha [Anger] and Hiṁsā [Envy], and from their combination were born Kali and his sister Durukti (Harsh Speech).