وَقَالُوۡا لَوۡلَاۤ اُنۡزِلَ عَلَيۡهِ اٰيٰتٌ مِّنۡ رَّبِّهٖؕ قُلۡ اِنَّمَا الۡاٰيٰتُ عِنۡدَ اللّٰهِ ؕ وَاِنَّمَاۤ اَنَا۟ نَذِيۡرٌ مُّبِيۡنٌ
And the disbelievers say: ‘Why have Signs not been sent down on him (the Holy Prophet [blessings and peace be upon him]) from his Lord?’ Say: ‘The Signs are with Allah alone and I am simply an open Warner.’