Mahabharata 13.82.13

किं तपो ब्रह्मचर्यं वा गोभिः कृतमिहेश्वरदेवानामुपरिष्टाद्यद्वसन्त्यरजसः सुखम्

kiṃ tapo brahmacaryaṃ vā gobhiḥ kṛtamiheśvaradevānāmupariṣṭādyadvasantyarajasaḥ sukham

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