#5 Improving

The Book of belief (i.e. Faith)

(31) Chapter: (What is said regarding the superiority of) a person who embraces Islam sincerely

Hadith 35.

Narrated Abu Hurairah رَضِيَ ٱللَّٰهُ عَنْهُ: Allah's Messenger صَلَّى ٱللَّٰهُ عَلَيْهِ وَ سَلَّم said, "If any one of you improves (follows strictly) his Islamic religion then his good deeds will be rewarded ten times to seven hundred times for each good deed and a bad deed will be recorded as it is."