Hadithcore
Musnad Ahmad 4188
graded· 68

It was narrated from 'Abdullah that he said:

I was told of your gathering, but I was kept from coming out to you by fear of boring you. The Messenger of Allah (ﷺ) used to choose the right days to exhort us, for fear of boring us.

References1 variant
Arabic/English book
Book 26, Hadith 4188