Ramayana
गृह्यन्ते यदि रोषेण त्वादृशोऽपि विचक्षणः । तत श्शास्त्रविपश्चित्त्वं श्रम एव हि केवलम् ॥ ५-५२-८
'If wise persons like you are also overpowered by unjust anger, then the mastery of the scriptures will become a mere fruitless exercise. ॥ 5-52-8॥
english translation
gRhyante yadi roSeNa tvAdRzo'pi vicakSaNaH । tata zzAstravipazcittvaM zrama eva hi kevalam ॥ 5-52-8
hk transliteration by Sanscript