Verse
क्षेत्रक्षेत्रज्ञयोरेवम् अन्तरं ज्ञानचक्षुषा ।भूतप्रकृतिमोक्षं च ये विदुर्यान्ति ते परम् ॥
They who with the eye of knowledge perceive this difference between the Field and the Knower of the Field and the liberation of beings from Prakriti, they attain to the Supreme.
Gītā 13·35