Bhagavad Gita 18.75

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 .;