As with western philosophy, there has been in the classical Indian tradition (and in the subgenre of that known as Vedic) a lot of attention to the relationship between emotion, or vedana, on the one hand and cognition, or vijnana, on the other. Popular western impressions of India and its literature may convey the idea that the latter teaches escape, liberation, from the feelings, which presumably tie one to this earthly realm, the cycle of birth, death, and rebirth, and all of that. Isn't detachment the way to nirvana? Well, yes, to some. And of course that idea is not unique to India. The above paragraph might put one in mind of Plato, who located the passions at the bottom of his tripartite division of the soul, and specified that the top part, reason, must be firmly in command. In India, a close analog to Plato's thought is provided by the Nyāya-Vaiśeṣika scholars. Individual emotions, whether likings or aversions, are regarded as defects ( dosas ). T...