Jareer reported,

I once complained to him that I could not keep my seat firmly on a horse, so he struck my chest with his hand and prayed, "Allah, make him steady, and make him a guide who is rightly guided."

Bukhari 3036

Sahih

ولقد شكوت إليه إني لا أثبت على الخيل فضرب بيده في صدري وقال اللهم ثبته واجعله هاديا مهديا

البخاري 3036صحيح
Contents
Reference
Commentary
Ayat
Collection
Sahih Bukhari
Book
Jihad and expeditions
Chapter
One who cannot stay steady on horses
Numbering
Darussalam 3036
Bukhari 3036