Bhagavad Gita 18.52

विविक्तसेवी लघ्वाशी यतवाक्कायमानसः।ध्यानयोगपरो नित्यं वैराग्यं समुपाश्रितः ॥१८.५२॥

viviktasevī laghvāśī yatavākkāyamānasaḥdhyānayogaparo nityaṃ vairāgyaṃ samupāśritaḥ

Dwelling in solitude, eating sparingly, with speech, body, and mind subdued, always engaged in meditation and concentration, and resorting to dispassion.

गीता