18.68 Yah, he who; abhi-dhasyati, will speak of, i.e., will present with the help of the text and its meaning, as I have done to you; imam, this; paramam, highest-that which has Liberation as its purpose; guhyam, secret, as spoken of above-(i.e.) the text in the form of a conversation between Kesava and Arjuna; madbhaktesu, to My devotees-. How will present? This is being stated: Krtva, entertaining; param, supreme; bhaktim, devotion; mayi, to Me, i.e., entertainting an idea thus-'A service is being rendered by me to the Lord who is the supreme Teacher'-. Tho him comes this result: esyati, he will reach; mam, Me; eva, alone. He is certainly freed. No doubt should be entertained in this regard.
By the repetition of (the word) bhakti (devotion) [In the word madbhaktesu.], it is understood that one becomes fit for being taught (this) Scripture by virtue of devotion alone to Him. 
Besides,