Verse
य इदं परमं गुह्यं मद्भक्तेष्वभिधास्यति ।भक्तिं मयि परां कृत्वा मामेवैष्यत्यसंशयः ॥
ya idaṃ paramaṃ guhyaṃ madbhakteṣvabhidhāsyatibhaktiṃ mayi parāṃ kṛtvā māmevaiṣyatyasaṃśayaḥ
He who with the highest devotion for Me, shall declare this supreme secret among My devotees, without doubt he shall come to Me.
Gītā 18·68