"Or do they say, 'He has invented'"—meaning Muhammad—"a lie about Allah?" That is, they have indeed said it. "But if Allah willed, He could seal your heart."
﴿أم يَقُولُونَ افترى﴾ مُحَمَّد ﴿على الله كذبا﴾ أَي: قد قَالُوهُ ﴿فَإِنْ يَشَإِ الله يخْتم على قَلْبك﴾
