Shiva Purana
निदानज्ञस्य भिषजो रुग्णो हिंसां प्रयुंजतः ॥ न किंचिदपि नैर्घृण्यं घृणैवात्र प्रयोजिका ॥ ३८ ॥
Ruthlessness cannot be attributed to the surgeon who operates upon the patient. The inducing factor is kindness alone.
english translation
nidAnajJasya bhiSajo rugNo hiMsAM prayuMjataH ॥ na kiMcidapi nairghRNyaM ghRNaivAtra prayojikA ॥ 38 ॥
hk transliteration by Sanscript