Mahabharata 14.16.39

उपलब्धा द्विजश्रेष्ठ तथेयं सिद्धिरुत्तमाइतः परं गमिष्यामि ततः परतरं पुनःब्रह्मणः पदमव्यग्रं मा ते भूदत्र संशयः

upalabdhā dvijaśreṣṭha tatheyaṃ siddhiruttamāitaḥ paraṃ gamiṣyāmi tataḥ parataraṃ punaḥbrahmaṇaḥ padamavyagraṃ mā te bhūdatra saṃśayaḥ

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