Bhagavad Gita 4.25
Some sages sacrifice to the powers, while others offer themselves on the altar of the eternal.
दैवमेवापरे यज्ञं योगिनः पर्युपासते।
ब्रह्माग्नावपरे यज्ञं यज्ञेनैवोपजुह्वति॥daivamevāpare yajñaṃ yoginaḥ paryupāsate|
brahmāgnāvapare yajñaṃ yajñenaivopajuhvati||
English translation (above): Shri Purohit Swami (1935), public domain. Sanskrit text via github.com/gita/gita (Unlicense).