Neglecting Jumu'ah seals the heart

People must stop leaving Jumu'ah, or Allah will seal their hearts.

Narrated by Abdullah ibn Umar and Abu Hurairah

People must stop neglecting the Friday prayers, or Allah will seal their hearts and they will become among the heedless.

Sahih Muslim 865

What this hadith teaches

Jumu'ah is obligatory on every adult Muslim man who is resident and has no excuse.

Reference and grade

Grade
Sahih (in Sahih Muslim)
Narrator
Abdullah ibn Umar and Abu Hurairah

The hadith in Arabic نص الحديث

لَيَنْتَهِيَنَّ أَقْوَامٌ عَنْ وَدْعِهِمُ الْجُمُعَاتِ أَوْ لَيَخْتِمَنَّ اللَّهُ عَلَى قُلُوبِهِمْ ثُمَّ لَيَكُونُنَّ مِنَ الْغَافِلِينَ

Arabic text of Sahih Muslim 865, as given on sunnah.com.