Hadithcore
Musnad Ahmad 4060
graded· 70

It was narrated that Abu wa'il said:

‘Abdullah used to give a reminder every Thursday, and it was said to him: We wish you would give us a reminder every day. He said: I do not like to bore you: The Messenger of Allah (ﷺ) used to choose the right time to exhort us for fear of boring us.

References1 variant
Arabic/English book
Book 26, Hadith 4060