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

Anas reported God’s Messenger as saying, “When a man marries he has fulfilled half of the religion; so let him fear God regarding the remaining half.”Baihaqi transmitted in Shu'ab al-iman.