Mahabharata 3.206.15

व्याध उवाच · vyādha uvāca

प्रज्ञया मानसं दुःखं हन्याच्छारीरमौषधैःएतद्विज्ञानसामर्थ्यं न बालैः समतां व्रजेत्

prajñayā mānasaṃ duḥkhaṃ hanyācchārīramauṣadhaiḥetadvijñānasāmarthyaṃ na bālaiḥ samatāṃ vrajet

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