Bhagavad-gītā 18.67
BG 18.67
Open the full passageइदं ते नातपस्काय नाभक्ताय कदाचन । न चाशुश्रूषवे वाच्यं न च मां योऽभ्यसूयति ॥६७॥
Sanskrit
idaṁ te nātapaskāya nābhaktāya kadācana na cāśuśrūṣave vācyaṁ na ca māṁ yo 'bhyasūyati
Translation
This confidential knowledge may never be explained to those who are not austere, or devoted, or engaged in devotional service, nor to one who is envious of Me.