The Messenger of Allah ﷺ said, "Among you are those who pray a complete prayer, and among you are those who pray only half, a third, a quarter," until he reached one tenth.
أن رسول الله ﷺ قال: منكم من يصلي الصلاة كاملة، ومنكم من يصلي النصف، والثلث والربع حتى بلغ العشر.
Ahmad (15522), Nasai in Kubra (616), and Tahawi in Sharh Mushkil (1106, 1107) all narrated it, all through the route of Abdullah bin Wahb, from Amr bin Harith, from Saeed bin Abu Hilal, from Umar bin Hakam Ansari, from Abu Yusr, a companion of the Messenger of Allah ﷺ, who said, and then he mentioned it.Its chain is hasan, because of Saeed bin Abu Hilal Laythi, their freedman, for his hadith is hasan.It was also narrated from Abu Hurairah. Nasai narrated it in Kubra (617) through the route of Saeed bin Abu Hilal, from Saeed bin Abu Saeed Maqburi, from his father, from Abu Hurairah, who mentioned something similar.The hadith is actually the hadith of Ammar bin Yasir, and Saeed bin Abu Hilal followed the well-trodden path, making it part of the musnad of Abu Hurairah .