Sahih al-Bukhari 3534
Sahih al-Bukhari · Book 61: Virtues and Merits of the Prophet (pbuh) and his Companions · The last of all the Prophets (Muhammad (saws))
Narrated Jabir bin `Abdullah:
حَدَّثَنَا مُحَمَّدُ بْنُ سِنَانٍ ، حَدَّثَنَا سَلِيمٌ ، حَدَّثَنَا سَعِيدُ بْنُ مِينَاءَ ، عَنْ جَابِرِ بْنِ عَبْدِ اللَّهِ ـ رضى الله عنهما ـ قَالَ قَالَ النَّبِيُّ صلى الله عليه وسلم " مَثَلِي وَمَثَلُ الأَنْبِيَاءِ كَرَجُلٍ بَنَى دَارًا فَأَكْمَلَهَا وَأَحْسَنَهَا، إِلاَّ مَوْضِعَ لَبِنَةٍ، فَجَعَلَ النَّاسُ يَدْخُلُونَهَا وَيَتَعَجَّبُونَ، وَيَقُولُونَ لَوْلاَ مَوْضِعُ اللَّبِنَةِ " .
The Prophet (ﷺ) said, "My similitude in comparison with the other prophets is that of a man who has built a house completely and excellently except for a place of one brick. When the people enter the house, they admire its beauty and say: 'But for the place of this brick (how splendid the house will be)!"