Abu Huraira reported God’s messenger as saying, “When one of you makes a good profession of Islam, every good deed he does will be recorded for him ten to seven hundredfold, and every evil deed he does will be recorded as it is till he meets God.” (Bukhari and Muslim.)
Hadith Referenceمشكوة المصابيح / كتاب الإيمان / 44
Hadith Gradingالألبانی:مُتَّفَقٌ عَلَيْهِ | زبیر علی زئی:متفق عليه
Hadith Takhrij´تحقيق و تخريج: محدث العصر حافظ زبير على زئي رحمه الله` «متفق عليه، رواه البخاري (42) و مسلم (129/ 205)»