Are the residents of paradise not the same people about whom you swore that Allah will never bestow His mercy on them?” Today the same people are being welcomed with the words, “Enter paradise, you have nothing to fear or to regret.”
Meaning:-
Swore is past of swear: : Swore is defined as a promise has been made.
Regret: feel sad, disappointment.
Bestow: an honor, right, an honor, to present as a gift