etad guhyam ahaṁ param
yogaṁ yogeśvarāt kṛṣṇāt
sākṣāt kathayataḥ svayam
vyāsa-prasādāt — by the mercy of Vyāsadeva; śrutavān — have heard; etat — this; guhyam — confidential; aham — I; param — the supreme; yogam — mysticism; yoga-īśvarāt — from the master of all mysticism; kṛṣṇāt — from Kṛṣṇa; sākṣāt — directly; kathayataḥ — speaking; svayam — personally.
By the mercy of Vyāsa, I have heard these most confidential talks directly from the master of all mysticism, Kṛṣṇa, who was speaking personally to Arjuna.
. . .
व्यासप्रसादाच्छ्रुतवानेतद्गुह्यमहं परम् ।
योगं योगेश्वरात्कृष्णात्साक्षात्कथयत: स्वयम् ॥ ७५ ॥