Mahabharata 12.242.17

उत्तमां बुद्धिमास्थाय ब्रह्मभूयं गमिष्यसिसंतीर्णः सर्वसंक्लेशान्प्रसन्नात्मा विकल्मषः

uttamāṃ buddhimāsthāya brahmabhūyaṃ gamiṣyasisaṃtīrṇaḥ sarvasaṃkleśānprasannātmā vikalmaṣaḥ

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