Purusha knows it; therefore is he called Kshetrajna. The Kshetrajna perceives also the action of the qualities and absence of their actions.
पुरुषस्तद् विजानीते तस्मात् क्षेत्रज्ञ उच्यते। गुणवृत्तं तथा वृत्तं क्षेत्रज्ञः परिपश्यति॥