क्षेत्र जानाति चाव्यक्तं क्षेत्रज्ञ इति चोच्यते । आव्यक्तिके पुरे शेते पुरुषश्वेति कथ्यते,वह अव्यक्तसंज्ञक क्षेत्र (प्रकृति) को जानता है, इसलिये क्षेत्रज्ष कहलाता है और प्राकृत शरीररूपी पुरोंमें अन्तर्यामीरूपसे शयन करनेके कारण उसे “पुरुष' कहते हैं
Vasiṣṭha said: “He knows the field called the unmanifest (avyakta), namely Prakṛti; therefore he is called kṣetrajña, the Knower of the Field. And because he lies within the ‘cities’—the natural bodies—as the Inner Ruler (antaryāmin), he is spoken of as ‘Puruṣa’.”
वसिष्ठ उवाच