Bhagavad Gita 18.52

विविक्तसेवी लघ्वाशी यतवाक्कायमानस: ।
ध्यानयोगपरो नित्यं वैराग्यं समुपाश्रित: ॥

viviktasevī laghvāśī yata-vāk-kāya-mānasa:
dhyāna-yogaparo nityaṃ vairāgyaṃ samupāśrita: – 52

being given to aloneness (not resorting to crowd); eating but little; regulating activities of speech, body and mind; constantly pursuing contemplation; taking refuge in dispassion;