Bhagavad Gita Chapter 9 Verse 15
भगवद् गीता अध्याय 9 श्लोक 15

ज्ञानयज्ञेन चाप्यन्ये यजन्तो मामुपासते।
एकत्वेन पृथक्त्वेन बहुधा विश्वतोमुखम्।।9.15।।



English Translation - Dr. S. Sankaranarayan
9.15. [Of them]  some worship Me by knowledge-sacrifice and others by offering sacrifices; [thus] they worship Me, the Universally-faced [either] as One [or] as  Many.


English Translation of Commentary  - Dr. S. Sankaranarayan
9.13-15 Mahatmanah etc., upto Visvato-mukham.  Divine nature i.e., of goodness.  Offering sacrifices : i.e., by means of sacrifices with the external materials.  But others worship Me with knowledge-sacrifice only.  Hence through knowledge some [worship Me]  as One, while others [worship Me] as Many through the action-Yoga.  However all conceive Me alone, as their highest goal.	
 But, action certainly abounds in the idea of duality, because it is coextensive with hosts of  different causes  (karakas).   So how can it lead to the Absolute state ?  It is answered  [as] :


Transliteration Bhagavad Gita 9.15Jnaanayajnena chaapyanye yajanto maamupaasate;
Ekatwena prithaktwena bahudhaa vishwatomukham.


Word Meanings Bhagavad Gita 9.15jñāna-yajñena—yajña of cultivating knowledge; cha—and; api—also; anye—others; yajantaḥ—worship; mām—Me; upāsate—worship; ekatvena—undifferentiated oneness; pṛithaktvena—separately; bahudhā—various; viśhwataḥ-mukham—the cosmic form