Sahih
وَحَدَّثَنِي عَنْ مَالِكٍ، عَنْ أَبِي النَّضْرِ، مَوْلَى عُمَرَ بْنِ عُبَيْدِ اللَّهِ عَنْ بُسْرِ بْنِ سَعِيدٍ، أَنَّ زَيْدَ بْنَ ثَابِتٍ، قَالَ أَفْضَلُ الصَّلاَةِ صَلاَتُكُمْ فِي بُيُوتِكُمْ إِلاَّ صَلاَةَ الْمَكْتُوبَةِ .
Yahya related to me from Malik from Abu'n-Nadr, the mawla of Umar ibn Ubaydullah from Yusr ibn Said that Zayd ibn Thabit said, "The most excellent prayer is your prayer in your house, except for the prescribed prayers