Mahabharat
समरन्तं तवाम आजमीढ समारयिष्याम्य अहं पुनः शास्त्रं न शास्ति दुर्बुद्धिं शरेयसे वेतराय वा ॥ २-६६-३३ ॥
'O Ajamida, although you remember everything, I must still draw your attention to this: Scriptures cannot influence those with wicked minds, whether for good or ill. Moreover, a person of immature understanding will never act with the wisdom of maturity.' ॥ 2-66-33 ॥
english translation
samarantaM tavAma AjamIDha samArayiSyAmya ahaM punaH zAstraM na zAsti durbuddhiM zareyase vetarAya vA ॥ 2-66-33 ॥
hk transliteration by Sanscript