Narrated Ibn Mas`ud: The Prophet used to take care of us in preaching by selecting a suitable time, so that we might not get bored. (He abstained from pestering us with sermons and knowledge all the time).
Hadith ReferenceSahih Bukhari / The Book of Knowledge / Hadith: 68
Hadith Gradingمحدثین:أحاديث صحيح البخاريّ كلّها صحيحة