Bhagavad-gītā 13.19
BG 13.19
Open the full passageइति क्षेत्रं तथा ज्ञानं ज्ञेयं चोक्तं समासतः । मद्भक्त एतद्विज्ञाय मद्भावायोपपद्यते ॥१९॥
Sanskrit
iti kṣetraṁ tathā jñānaṁ jñeyaṁ coktaṁ samāsataḥ mad-bhakta etad vijñāya mad-bhāvāyopapadyate
Translation
Thus the field of activities [the body], knowledge and the knowable have been summarily described by Me. Only My devotees can understand this thoroughly and thus attain to My nature.