Narrated Abu Hurairah:
regarding Allah's saying: "It may be that your Lord will raise you to a praised station (17:79)" that the Messenger of Allah (ﷺ) was asked about it and he said: "It is the intercession." (IT)
English reference (IT): Vol. 5, Book 44, Hadith 3137 (IT)
Arabic reference (IT): Book 47, Hadith 3430 (IT)