Sunan Ibn Majah
3753
Sahih+3

It was narrated from Amr bin Shuaib, from his father, from his grandfather, that the Messenger of Allah(ﷺ) said:"No one tells the stories to the people (for the purpose of exhortation) except a ruler, one appointed by a ruler, or a show-off

SahihAl-Albani
SahihMuhammad Fouad Abd al-Baqi