Mahabharata 6.28.14

प्रशान्तात्मा विगतभीर्ब्रह्मचारिव्रते स्थितःमनः संयम्य मच्चित्तो युक्त आसीत मत्परः

praśāntātmā vigatabhīrbrahmacārivrate sthitaḥmanaḥ saṃyamya maccitto yukta āsīta matparaḥ

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