Abu Hurairah (RA) reported it was said to Allah's Messenger (ﷺ) : Invoke curse upon the polytheists, whereupon he said: I have not been sent as the invoker of curse, but "I have been sent as mercy."
Hadith ReferenceSahih Muslim / The Book of Virtue, Enjoining Good Manners, and Joining of the Ties of Kinship / Hadith: 2599