That the Prophet ﷺ used to take him (i.e. Usama) and Al-Hassan (in his lap) and say: "O Allah! Love them, as I love them."  

عَنِ النَّبِيِّ ﷺ أَنَّهُ كَانَ يَأْخُذُهُ وَالْحَسَنَ فَيَقُولُ اللَّهُمَّ أَحِبَّهُمَا فَإِنِّي أُحِبُّهُمَا  

That the Prophet ﷺ used to take him and Al-Hasan, and used to say, "O Allah! I love them, so please love them," or said something similar.  

عَنِ النَّبِيِّ ﷺ أَنَّهُ كَانَ يَأْخُذُهُ وَالْحَسَنَ وَيَقُولُ اللَّهُمَّ إِنِّي أُحِبُّهُمَا فَأَحِبَّهُمَا أَوْ كَمَا قَالَ  

I saw the Prophet ﷺ carrying Al-Hasan on his shoulder an saying, "O Allah! I love him, so please love him."  

رَأَيْتُ النَّبِيَّ ﷺ وَالْحَسَنُ عَلَى عَاتِقِهِ يَقُولُ اللَّهُمَّ إِنِّي أُحِبُّهُ فَأَحِبَّهُ  

I saw Hasan b. 'Ali upon the shoulders of Allah's Apostle ﷺ and he was saying: O Allah, I love him, and love him Thou.  

رَأَيْتُ الْحَسَنَ بْنَ عَلِيٍّ عَلَى عَاتِقِ النَّبِيِّ ﷺ وَهُوَ يَقُولُ اللَّهُمَّ إِنِّي أُحِبُّهُ فَأَحِبَّهُ  

I saw the Messenger of Allah ﷺ with Al-Hasan b. 'Ali placed upon his shoulders and he was saying: O Allah, I love him, and love him Thou.  

رَأَيْتُ رَسُولَ اللَّهِ ﷺ وَاضِعًا الْحَسَنَ بْنَ عَلِيٍّ عَلَى عَاتِقِهِ وَهُوَ يَقُولُ اللَّهُمَّ إِنِّي أُحِبُّهُ فَأَحِبَّهُ  

that the Prophet ﷺ saw al-Ḥasan and al-Ḥusayn, so he said: "O Allah, I love them, so love them."  

أَنَّ النَّبِيَّ ﷺ أَبْصَرَ حَسَنًا وَحُسَيْنًا فَقَالَ: «اللَّهُمَّ إِنِّي أُحِبُّهُمَا فَأَحِبَّهُمَا.»  

[Machine] The Messenger of Allah ﷺ said: "O Allah, indeed I love them, so make them love one another."  

قَالَ رَسُولُ اللهِ ﷺ اللهُمَّ إِنِّي أُحِبُّهُمَا فَأَحِبَّهُمَا  

That the Prophet ﷺ used to take him (i.e. Usama) and Al-Hassan (in his lap) and say: "O Allah! Love them, as I love them." (Using translation from Bukhārī 3735)   

كَانَ رَسُولُ اللهِ ﷺ يَأْخُذُ بِيَدِي وَيَدِ الْحَسَنِ فَيَقُولُ «اللهُمَّ إِنِّي أُحِبُّهُمَا فَأَحِبَّهُمَا»  

[Machine] The Prophet ﷺ used to take me and seat me on his thigh, and he would seat Hasan ibn Ali on his other thigh, then he would hug us and say, "O Allah, love them, for I love them."  

كَانَ نَبِيُّ اللهِ ﷺ يَأْخُذُنِي فَيُقْعِدُنِي عَلَى فَخِذِهِ وَيُقْعِدُ الْحَسَنَ بْنَ عَلِيٍّ عَلَى فَخِذِهِ الْأُخْرَى ثُمَّ يَضَعُنَا ثُمَّ يَقُولُ «اللهُمَّ أَحِبَّهُمَا فَإِنِّي أُحِبُّهُمَا»  

"اللَّهُمَّ إِنِّي أُحِبُّهُمَا فَأحِبَّهُمَا ".  

"كَانَ النَّبِىُّ ﷺ يَأخُذُ بِيَدِى وَبِيَدِ الْحَسَنِ وَيَقُولُ: اللَّهُمَّ أَحِبَّهُمَا فَإِنِّى أُحِبُّهُمَا".