Bhagavad Gita Chapter 18 Verse 52
भगवद् गीता अध्याय 18 श्लोक 52

विविक्तसेवी लघ्वाशी यतवाक्कायमानसः।
ध्यानयोगपरो नित्यं वैराग्यं समुपाश्रितः।।18.52।।



English Translation - Swami Sivananda
18.52 Dwelling in solitude, eating but little, with speech, body and mind subdued, always engaged in meditation and concentration, resorting to dispassion.


English Translation of Sanskrit Commentary By Sri Shankaracharya's
18.52 Vivikta-sevi, one who resorts to solitude, is habituated to repairing into such solitary places as a forest, bank of a river, mountain caves, etc.; laghuasi, eats sparingly, is habituated to eating a little-repairing to solitary places and eating sparingly are nentioned here since they are the causes of tranillity of mind through the elimination of defects like sleep etc.-; the person steadfast in Knowledge, yata-vak-kaya-manasah, who has speech, body and mind under control. Having all his organs withdrawn thus, dhyana-yoga-parah nityam, one to whom meditation and concentration are ever the highest (duty)-meditation is thinking of the real nature of the Self, and concentration is making the mind one-pointed with regard to the Self itself; one to whom these meditation and concentration are the highest (duty) is dhyana-yoga-parah-. Nityam, (ever) is used to indicate the absence of other duties like repetition of mantra [A formula of prayer sacred to any deity.-V.S.A.] etc.
Samupasritah, one who is fully possessed, i.e. ever possessed; of vairagyam, dispassion, absence of longing for objects seen or unseen-.
Further,


Transliteration Bhagavad Gita 18.52Viviktasevee laghwaashee yatavaakkaayamaanasah;
Dhyaanayogaparo nityam vairaagyam samupaashritah.


Word Meanings Bhagavad Gita 18.52buddhyā—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