al-Zuhri ابن شهاب الزهري‎, محمد بن مسلم · The Book Of Faith and its Signs

The Messenger of Allah distributed (some spoils of war) and gave to some people but withheld from others. I said: "O Messenger of Allah, you gave to so-and-so and so-and-so, and you withheld from so-and-so, who is a beliver." He said: "Do not say 'a believer,' say 'a Muslim.'" Ibn Shihab (one of the narrators) said: The Bedouins say: "We believe".

"We were with the Prophet in a gathering and he said: 'Give me your pledge that you will not associate anything with Allah, you will not steal and you will not have unlawful sexual relations'- and then he recited the Verse to them. 'Whoever among you fulfills this pledge, his reward will be with Allah, and whoever commits any of those actions and Allah, the Mighty and Sublime, conceals him, it is up to Allah: If He wills, He will…

The Messenger of Allah said: "By the One in Whose hand is my soul, none of you has believed until I am dearer to him than his son or his father.'"

"I heard Anas say: 'The Messenger of Allah said): None of you has believed until he loves for his brother what he loves for himself.'"

The Messenger of Allah said: "By the One in Whose hand is the soul of Muhammad, none of you has believed until he loves for his brother what he loves for himself of goodness."

The Messenger of Allah said: "Whoever stands (in he voluntary night prayer of) the Ramadan out of faith and in the hope of reward, his previous sins will be forgiven."