Mahabharata 14.19.55

परा हि सा गतिः पार्थ यत्तद्ब्रह्म सनातनम्यत्रामृतत्वं प्राप्नोति त्यक्त्वा दुःखं सदा सुखी

parā hi sā gatiḥ pārtha yattadbrahma sanātanamyatrāmṛtatvaṃ prāpnoti tyaktvā duḥkhaṃ sadā sukhī

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