Sahih Muslim 2746
Al-Bara' b. 'Azib reported Allah's Messenger (ﷺ) as saying that Allah's Messenger (ﷺ) said:
What is your opinion about the delight of a person whose camel loaded with the provisions of food and drink is lost and that moves about with its nosestring trailing upon the waterless desert in which there is neither food nor drink, and lie wanders about in search of that until he is completely exhausted and then accidentally it happens to pass by the trunk of a tree and its nosestring gets entangled in that and he finds it entangled therein? He (in response to the question of the Holy Prophet) said: Allah's Messenger, he would feel highly delighted. Thereupon Allah's Messenger (ﷺ) said. By Allah, Allah is more delighted at the repentance of His servant than that person (as he finds his lost) camel.
حَدَّثَنَا يَحْيَى بْنُ يَحْيَى، وَجَعْفَرُ بْنُ حُمَيْدٍ، قَالَ جَعْفَرٌ حَدَّثَنَا وَقَالَ، يَحْيَى أَخْبَرَنَا 
 عُبَيْدُ اللَّهِ بْنُ إِيَادِ بْنِ لَقِيطٍ، عَنْ إِيَادٍ، عَنِ الْبَرَاءِ بْنِ عَازِبٍ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله
 عليه وسلم ‏"‏ كَيْفَ تَقُولُونَ بِفَرَحِ رَجُلٍ انْفَلَتَتْ مِنْهُ رَاحِلَتُهُ تَجُرُّ زِمَامَهَا بِأَرْضٍ قَفْرٍ لَيْسَ
 بِهَا طَعَامٌ وَلاَ شَرَابٌ وَعَلَيْهَا لَهُ طَعَامٌ وَشَرَابٌ فَطَلَبَهَا حَتَّى شَقَّ عَلَيْهِ ثُمَّ مَرَّتْ بِجِذْلِ شَجَرَةٍ
 فَتَعَلَّقَ زِمَامُهَا فَوَجَدَهَا مُتَعَلِّقَةً بِهِ ‏"‏ ‏.‏ قُلْنَا شَدِيدًا يَا رَسُولَ اللَّهِ ‏.‏ فَقَالَ رَسُولُ اللَّهِ صلى
 الله عليه وسلم ‏"‏ أَمَا وَاللَّهِ لَلَّهُ أَشَدُّ فَرَحًا بِتَوْبَةِ عَبْدِهِ مِنَ الرَّجُلِ بِرَاحِلَتِهِ ‏"‏ ‏.‏ قَالَ جَعْفَرٌ
 حَدَّثَنَا عُبَيْدُ اللَّهِ بْنُ إِيَادٍ عَنْ أَبِيهِ ‏.‏