“The Messenger of Allah ﷺ said: ‘Whoever abandons Friday (prayer) three times, for no necessary reason, Allah will place a seal over his heart.’” (Using translation from Ibn Mājah 1126)
قَالَ رَسُولُ اللَّهِ ﷺ «مَنْ تَرَكَ الْجُمُعَةَ تَهَاوُنًا بِهَا طَبَعَ اللَّهُ عَلَى قَلْبِهِ»