Bhagavad Gita 4.3
Krishna to Arjunaस एवायं मया तेऽद्य योगः प्रोक्तः पुरातनः ।भक्तोऽसि मे सखा चेति रहस्यं ह्येतदुत्तमम् ॥ ३ ॥
Transliteration
sa evāyaṃ mayā te’dya yogaḥ proktaḥ purātanaḥbhakto’si me sakhā ceti rahasyaṃ hyetaduttamam
Today I have taught you that same ancient yoga because you are my devotee and my friend. This is a most profound mystery.
Original King of Dwarka translationReflection inspired by Bhagavad Gita 4.3
The ancient teaching arrives within a friendship. Trust is part of the setting in which difficult knowledge can be spoken and heard.
Source & context
Krishna explains why he has taught the ancient yoga to Arjuna: Arjuna is both devotee and friend.