Bhagavad Gita Chapter 18 Verse 51
भगवद् गीता अध्याय 18 श्लोक 51

बुद्ध्या विशुद्धया युक्तो धृत्याऽऽत्मानं नियम्य च।
शब्दादीन् विषयांस्त्यक्त्वा रागद्वेषौ व्युदस्य च।।18.51।।



English Translation - Swami Sivananda
18.51 Endowed with a pure intellect, controlling the self by firmness, relinishing sound and other objects and abandoning attraction and hatred.


English Translation of Sanskrit Commentary By Sri Shankaracharya's
18.51 Yuktah, being endowed; buddhya, with an intellect-which is identical with the faculty of determination; visuddhaya, pure, free from maya (delusion); and niyamya, controlling, subduing; atmanam, oneself, the aggregate of body and organs; dhrtya, with fortitude, with steadlines; tyaktva, rejecting; visayan, the objects; sabdadin, beginning from sound -from the context it follows that rejecting the objects means rejecting all things which are meant for pleasure and are in excess of those meant only for the mere maintenance of the body; and vyudasya, eliminating; raga-dvesau, attachment and hatred with regard to things which come to hand for the maintenance of the body-.
Therefore,


Transliteration Bhagavad Gita 18.51Buddhyaa vishuddhayaa yukto dhrityaatmaanam niyamya cha;
Shabdaadeen vishayaanstyaktwaa raagadweshau vyudasya cha.


Word Meanings Bhagavad Gita 18.51buddhyā—intellect; viśhuddhayā—purified; yuktaḥ—endowed with; dhṛityā—by determination; ātmānam—the intellect; niyamya—restraining; cha—and; śhabda-ādīn viṣhayān—sound and other objects of the senses; tyaktvā—abandoning; rāga-dveṣhau—attachment and aversion; vyudasya—casting aside; cha—and; vivikta-sevī—relishing solitude; laghu-āśhī—eating light; yata—controls; vāk—speech; kāya—body; mānasaḥ—and mind; dhyāna-yoga-paraḥ—engaged in meditation; nityam—always; vairāgyam—dispassion; samupāśhritaḥ—having taken shelter of; ahankāram—egotism; balam—violence; darpam—arrogance; kāmam—desire; krodham—anger; parigraham—selfishness; vimuchya—being freed from; nirmamaḥ—without possessiveness of property; śhāntaḥ—peaceful; brahma-bhūyāya—union with Brahman; kalpate—is fit