SB 11.25.9
purusam sattva-samyuktam
anumiyac chamadibhih
kamadibhi rajo-yuktam
krodhadyais tamasa 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.