Srimad-Bhagavatam: Canto 11 - Chapter 1 - Verse 9
Sanskrit:
पुरुषं सत्त्वसंयुक्तमनुमीयाच्छमादिभि: ।कामादिभी रजोयुक्तं क्रोधाद्यैस्तमसा युतम् ॥ ९ ॥
ITRANS:
puruṣaṁ sattva-saṁyuktamanumīyāc chamādibhiḥkāmādibhī rajo-yuktaṁkrodhādyais tamasā yutam
Translation:
A person exhibiting qualities such as self-control is understood to be predominantly in the mode of goodness. Similarly, a passionate person is recognized by his lust, and one in ignorance is recognized by qualities such as anger.