Sahih Bukhari

Narrated Abu Musa:My companions sent me to the Prophet (ﷺ) to ask him for some mounts. He said, ""By Allah! I will not mount you on anything!"" When I met him, he was in an angry mood, but when I met him (again), he said, ""Tell your companions that Allah or Allah's Messenger (ﷺ) will provide you with mounts