
Krishna completes the description of the field by including the psychological and emotional components: desire (icchā), aversion (dveṣa), pleasure (sukha), pain (duḥkha), the aggregate body (saṅghāta), consciousness (cetanā), and steadfastness (dhṛti). All of this—your desires, aversions, pleasures, pains, your body, your consciousness, your determination—is the field. Most people think they are their desires, their emotions, their experiences. But you're not. You're the knower who experiences desire, aversion, pleasure, pain. The field includes everything you can experience or identify with. The knower is what experiences it all. This complete description helps you recognize the full scope of the field, so you can distinguish it from the knower. The field has modifications—it changes constantly. But the knower remains constant.
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