Mahabharata 12.294.25

योगमेतद्धि योगानां मन्ये योगस्य लक्षणम्एवं पश्यं प्रपश्यन्ति आत्मानमजरं परम्

yogametaddhi yogānāṃ manye yogasya lakṣaṇamevaṃ paśyaṃ prapaśyanti ātmānamajaraṃ param

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