Shiva Purana
आमर्दयिष्यति भवान्रुष्टो दुष्टात्मनो यतः ॥ आमर्दक इति ख्यातिं ततस्सर्वत्र यास्यसि ॥ ४८॥
When you arc angry you will be suppressing the wicked souls. Hence you will be known everywhere as the suppressor of the wicked.
english translation
AmardayiSyati bhavAnruSTo duSTAtmano yataH ॥ Amardaka iti khyAtiM tatassarvatra yAsyasi ॥ 48॥
hk transliteration by Sanscript