ENOfficial
Narrated Salim's father: The Prophet (ﷺ) appointed Usama as the commander of the troops (to be sent to Syria). The Muslims spoke about Usama (unfavorably ). The Prophet (ﷺ) said, " I have been informed that you spoke about Usama. (Let it be known that ) he is the most beloved of all people to me."
Source: sunnah.com
Other translations
Arabic
حَدَّثَنَا أَبُو عَاصِمٍ الضَّحَّاكُ بْنُ مَخْلَدٍ، عَنِ الْفُضَيْلِ بْنِ سُلَيْمَانَ، حَدَّثَنَا مُوسَى بْنُ عُقْبَةَ، عَنْ سَالِمٍ، عَنْ أَبِيهِ، اسْتَعْمَلَ النَّبِيُّ صلى الله عليه وسلم أُسَامَةَ ـ فَقَالُوا فِيهِ ـ فَقَالَ النَّبِيُّ صلى الله عليه وسلم " قَدْ بَلَغَنِي أَنَّكُمْ قُلْتُمْ فِي أُسَامَةَ، وَإِنَّهُ أَحَبُّ النَّاسِ إِلَىَّ ".
sunnah.com