Bhagavad Gita Chapter 6 Verse 15
भगवद् गीता अध्याय 6 श्लोक 15

युञ्जन्नेवं सदाऽऽत्मानं योगी नियतमानसः।
शान्तिं निर्वाणपरमां मत्संस्थामधिगच्छति।।6.15।।



English Translation - Swami Sivananda
6.15 Thus always keeping the mind balanced, the Yogi, with the mind controlled, attains to the peace abiding in Me, which culminates in liberation.


English Translation of Sanskrit Commentary By Sri Shankaracharya's
6.15 Yunjan, concentrating; atmanam, the mind; evam, thus, according to the methods shown above; sada, for ever; the yogi, niyata-manasah, of controlled mind; adhi-gacchati, achieves; santim, the Peace, the indifference to worldly attachments and possessions; nirvana-paramam, which culminates in Liberation; and mat-samstham, which abides in Me.
Now are bieng mentioned the rules about the yogis food etc.:


Transliteration Bhagavad Gita 6.15Yunjannevam sadaa’tmaanam yogee niyatamaanasah;
Shaantim nirvaanaparamaam matsamsthaamadhigacchati.


Word Meanings Bhagavad Gita 6.15yuñjan—keeping the mind absorbed in God; evam—thus; sadā—constantly; ātmānam—the mind; yogī—a yogi; niyata-mānasaḥ—one with a disciplined mind; śhāntim—peace; nirvāṇa—liberation from the material bondage; paramām—supreme; mat-sansthām—abides in me; adhigachchhati—attains