Tafsir of An-Najm 53:59

أَفَمِنْ هَـٰذَا الْحَدِيثِ تَعْجَبُونَ وَتَضْحَكُونَ وَلَا تَبْكُونَ (Do you then wonder at this discourse, and laugh [ at it ], and not weep....53:59-60). The phrase this discourse' refers to the Qur'an. That is, the Qur'an, the Divine Discourse, which is itself a miracle, has already come to them. They are surprised at it and laugh in jest and mock at it, and do not weep at their sins and shortcomings.