Arthashastra

siva.sh/arthashastra/vyasanadhikarana/3/26

दुरुक्त शल्यं हृदि निखातं तेजः संदीपनम् इन्द्रिय उपतापि च" इति ॥

sanskrit

and bad language, like a nail piercing the heart, excites anger and gives pain to the senses.

english translation

durukta zalyaM hRdi nikhAtaM tejaH saMdIpanam indriya upatApi ca" iti ॥

hk transliteration by Sanscript

siva.sh/arthashastra/vyasanadhikarana/3/26

दुरुक्त शल्यं हृदि निखातं तेजः संदीपनम् इन्द्रिय उपतापि च" इति ॥

sanskrit

and bad language, like a nail piercing the heart, excites anger and gives pain to the senses.

english translation

durukta zalyaM hRdi nikhAtaM tejaH saMdIpanam indriya upatApi ca" iti ॥

hk transliteration by Sanscript