Bhagavad Gita 13.1
अर्जुन उवाच। प्रकृतिं पुरुषं चैव क्षेत्रं क्षेत्रज्ञमेव च। एतद्वेदितुमिच्छामि ज्ञानं ज्ञेयं च केशव।।13.1।।
arjuna uvāca| prakṛtiṃ puruṣaṃ caiva kṣetraṃ kṣetrajñameva ca| etadveditumicchāmi jñānaṃ jñeyaṃ ca keśava||13.1||
arjuna uvaca prakritim purusham caiva kshetram kshetrajnameva ca etadveditumicchami jnanam jneyam ca keshava13.1
Meaning
Arjuna says: I wish to know about Prakriti (nature) and Purusha (the soul), the field and the knower of the field, knowledge and the object of knowledge.
अर्जुन बोले — हे केशव! मैं प्रकृति और पुरुष, क्षेत्र और क्षेत्रज्ञ, तथा ज्ञान और ज्ञेय को जानना चाहता हूँ।
This is verse 1 of 35 in Chapter 13 (Kshetra Kshetrajna Vibhaga Yoga) of the Bhagavad Gita.