Manusmriti

siva.sh/manusmriti/2/161

नारुन्तुदः स्यादार्तोऽपि न परद्रोहकर्मधीः । ययाऽस्योद्विजते वाचा नालोक्यां तामुदीरयेत् ॥ १६१ ॥

sanskrit

Let him not, even though in pain, (speak words) cutting (others) to the quick; let him not injure others in thought or deed; let him not utter speeches which make (others) afraid of him, since that will prevent him from gaining heaven.

english translation

nAruntudaH syAdArto'pi na paradrohakarmadhIH | yayA'syodvijate vAcA nAlokyAM tAmudIrayet || 161 ||

hk transliteration by Sanscript