Sahih Bukhari

After performing the ablution 'Uthman said, ""I am going to tell you a Hadith which I would not have told you, had I not been compelled by a certain Holy Verse (the sub narrator 'Urwa said:This verse is: ""Verily, those who conceal the clear signs and the guidance which we have sent down...)"" (2:159). I heard the Prophet (ﷺ) saying, 'If a man performs ablution perfectly and then offers the compulsory congregational prayer, Allah will forgive his sins committed between that (prayer) and the (next) prayer till he offers it