Bhagavad-gītā 18.68
BG 18.68
Open the full passageय इदं परमं गुह्यं मद्भक्तेष्वभिधास्यति । भक्तिं मयि परां कृत्वा मामेवैष्यत्यसंशयः ॥६८॥
Sanskrit
ya idaṁ paramaṁ guhyaṁ mad-bhakteṣv abhidhāsyati bhaktiṁ mayi parāṁ kṛtvā mām evaiṣyaty asaṁśayaḥ
Translation
For one who explains this supreme secret to the devotees, pure devotional service is guaranteed, and at the end he will come back to Me.