Mahabharata 6.28.15

युञ्जन्नेवं सदात्मानं योगी नियतमानसःशान्तिं निर्वाणपरमां मत्संस्थामधिगच्छति

yuñjannevaṃ sadātmānaṃ yogī niyatamānasaḥśāntiṃ nirvāṇaparamāṃ matsaṃsthāmadhigacchati

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