مِشْكَاةُ الْمَصَابِيحِ
Mishkat al-Masabih 423
Purification
How to Perform Ablution - Section 3
وَعَنْ عَبْدِ اللَّهِ بْنِ زَيْدٍ قَالَ: إِنَّ رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ تَوَضَّأ مَرَّتَيْنِ مَرَّتَيْنِ وَقَالَ: هُوَ «نُورٌ عَلَى نُورٍ»
‘Abdallah b. Zaid said that God’s messenger performed the details of ablution twice each, and said, “It was a light upon a light.”
Mishkat al-Masabih, 423لَا أصل لَهُ (الألباني)