Mahabharata 3.138.5
कच्चिन्न रैभ्यं पुत्रो मे गतवानल्पचेतनःएतदाचक्ष्व मे शीघ्रं न हि मे शुध्यते मनः
kaccinna raibhyaṃ putro me gatavānalpacetanaḥetadācakṣva me śīghraṃ na hi me śudhyate manaḥ
Our plain-language meaning of this verse is waiting for scholar review.