Sahih al-Bukhari 81:139
Narrated Anas:
Haritha was martyred on the day (of the battle) of Badr while he was young. His mother came to the Prophet (ﷺ) saying, "O Allah's Messenger (ﷺ)! You know the relation of Haritha to me (how fond of him I was); so, if he is in Paradise, I will remain patient and wish for Allah's reward, but if he is not there, then you will see what I will do." The Prophet (ﷺ) replied, "May Allah be merciful upon you! Have you gone mad? (Do you think) it is one Paradise? There are many Paradises and he is in the (most superior) Paradise of Al-Firdaus."
Reference
Sahih al-Bukhari 81:139
In-book reference
Book 81, Hadith 139
Arabic Text
حَدَّثَنِي عَبْدُ اللَّهِ بْنُ مُحَمَّدٍ، حَدَّثَنَا مُعَاوِيَةُ بْنُ عَمْرٍو، حَدَّثَنَا أَبُو إِسْحَاقَ، عَنْ حُمَيْدٍ، قَالَ سَمِعْتُ أَنَسًا، يَقُولُ أُصِيبَ حَارِثَةُ يَوْمَ بَدْرٍ وَهْوَ غُلاَمٌ، فَجَاءَتْ أُمُّهُ إِلَى النَّبِيِّ صلى الله عليه وسلم فَقَالَتْ يَا رَسُولَ اللَّهِ قَدْ عَرَفْتَ مَنْزِلَةَ حَارِثَةَ مِنِّي، فَإِنْ يَكُ فِي الْجَنَّةِ أَصْبِرْ وَأَحْتَسِبْ، وَإِنْ تَكُنِ الأُخْرَى تَرَى مَا أَصْنَعُ. فَقَالَ " وَيْحَكِ ـ أَوَهَبِلْتِ ـ أَوَجَنَّةٌ وَاحِدَةٌ هِيَ جِنَانٌ كَثِيرَةٌ، وَإِنَّهُ لَفِي جَنَّةِ الْفِرْدَوْسِ ".