Bhagavad Gita · Chapter 13: The Field and the Knower of the Field
Bhagavad Gita 13.34
क्षेत्रक्षेत्रज्ञयोरेवमन्तरं ज्ञानचक्षुषा ।
भूतप्रकृतिमोक्षं च ये विदुर्यान्ति ते परम् ॥
kṣetrakṣetrajñayorevamantaraṃ jñānacakṣuṣā | bhūtaprakṛtimokṣaṃ ca ye viduryānti te param ||
Those who know, with the eye of knowledge, the difference between the field and its knower, and how beings are released from nature, reach the Supreme.
Modern context
The chapter ends with 'the eye of knowledge'. In chapter 11 Arjuna was given a divine eye to see the universal form. Here Krishna names another kind of eye, the eye that sees the difference between the field and the knower. This one is not given in a single moment; it is developed through understanding. And with it comes freedom.