Bhagavad Gita, Chapter 18, Verse 75

व्यासप्रसादाच्छ्रुतवानेतद्गुह्यमहं परम् । योगं योगेश्वरात्कृष्णात्साक्षात्कथयतः स्वयम्

vyāsaprasādācchrutavānetadguhyamahaṃ param | yogaṃ yogeśvarātkṛṣṇātsākṣātkathayataḥ svayam

Translation

Through the grace of Vyāsa have I heard this Supreme and most secret Yoga direct from Kṛṣṇa, the Lord of Yoga, Himself declaring it.

— Alladi Mahadeva Sastri

Word meanings

vyāsaprasādāt
of Vyāsa, from the favour
śrutavān
heard
etat
this
guhyam
secret
aham
I
param
highest
yogam
yoga
yogeśvarāt
of yoga, from the Lord
kṛṣṇāt
from Krishna
sākṣāt
directly
kathayataḥ
(from) the declaring
svayam
Himself

Śaṅkarācārya's commentary

Through the grace of Vyāsa: by obtaining from him the divya-cakṣus or divine vision. Yoga: this dialogue; the work is called Yoga because it leads to Yoga. Himself: it is not through mere tradition that I have heard it.