śrīmad bhagavadgītā - summum bonum
sarva-guhyatamaṃ bhūyaḥ śṛṇu me paramaṃ vacaḥ
iṣṭo’si me dṛḍham iti tato vakṣyāmi te hitam ||18.64 ||
man-manā bhava mad-bhakto mad-yājī māṃ namaskuru
mām evaiṣyasi satyaṃ te pratijāne priyo ’si me ||18.65 ||
Re-ordered word-by-word meaning
bhūyaḥ śṛṇu me paramaṃ vacaḥ sarva-guhyatamaṃ - Again, listen to my ultimate instruction, which is the most secret of all;
asi dṛḍham iṣṭaḥ me iti tataḥ - You are most dear to Me, and therefore
vakṣyāmi te hitam - I tell you what is the good and right course for you.
bhava - Become
man-manā - one with your mind fully absorbed in Me,
mad-bhaktaḥ - one full of devotion to Me,
mad-yājī - one who is peforming all actions as an oblation to Me.
namaskuru māṃ - Bow down=Surrender to Me! Then
satyaṃ eṣyasi mām eva - You will truly, most definitely, surely, enter into Me alone.
pratijāne te - I assure you, promise to you, "swear"to you!
asi priyaḥ me - as you are dear to Me!
These words are the penultimate instructions to Arjuna by Krishna before the charama shloka 18.66. I dare not interpret that one, but am happy to narrate the way these were explained by Pujya Swami Tejomayananda-ji on the day before yesterday.
God, Bhagavan Krishna, completes the 18th Chapter, wherein He answers Arjuna about what is true Tyaga and true Sannyasa. Then he says these two verses. He has already explained how by purification of one's mind and actions, one foregoes the sense of doership and enjoyership, and reaches God. Now He is restating the same in a very personal way, and tells Arjuna how he can reach Him = Krishna Himself. Thus, the Bhagavadgita is the most unique dialogue between God Himself, and man. We don't need any other scripture or interlocutor!
The formula given here is simple. First immerse your mind fully in your goal. Then love your goal. Then do everything and 100% all your efforts for reaching that goal. So much so you will surrender to that goal. Naturally the result will be you will reach that goal.
When my mind, heart, hand and effort are all totally devoted and surrendered to my ideal, God assures me here that I shall surely reach it!
My sincere Pranams to Pujya Guruji.