Mishkat al-Masabih 13 Marriage كتاب النكاح 14

عَنِ ابْنِ عَبَّاسٍ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «لَمْ تَرَ لِلْمُتَحَابِّينَ مثل النِّكَاح» . رَوَاهُ ابْن مَاجَه

Ibn ‘Abbas reported God’s Messenger as saying, “You have seen nothing like marriage for increasing the love of two people.” Ibn Majah transmitted.