Bhagavad Gita 6.10

योगी युञ्जीत सततमात्मानं रहसि स्थितः।एकाकी यतचित्तात्मा निराशीरपरिग्रहः॥

yogī yuñjīta satatamātmānaṃ rahasi sthitaḥ |ekākī yatacittātmā nirāśīraparigrahaḥ ||

Let the yogi constantly strive to keep the mind steady, remaining in solitude, alone, with the body and mind controlled, and free from hope and greed.

Let the student of spirituality try unceasingly to concentrate his mind; let him live in seclusion, absolutely alone, with his mind and personality controlled, free from desire and without possessions.

Our plain-language meaning of this verse is waiting for scholar review.