‘Ali told how the Prophet (ﷺ) said, “There are three things, ‘Ali, which you must not postpone:

prayer when its time comes, a funeral, and the marriage of an unmarried woman when she finds one of suitable class for her.” Tirmidhi transmitted it.

عَنْ عَلِيٍّ رَضِيَ اللَّهُ عَنْهُ: أَنَّ النَّبِيَّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ قَالَ: «يَا عَلِيُّ ثَلَاثٌ لَا تُؤَخِّرْهَا الصَّلَاةُ إِذَا أَتَتْ وَالْجِنَازَةُ إِذَا حَضَرَتْ وَالْأَيِّمُ إِذَا وَجَدْتَ لَهَا كُفُؤًا» . رَوَاهُ التِّرْمِذِيّ