Sahih al-Bukhari · Hadith 4468

Military Expeditions led by the Prophet (pbuh) (Al-Maghaazi)

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