If any believing man calls another believing man an unbeliever, if he is actually an infidel, it is all right ; if not, he will become an infidel.
Sunan Abi Dawud Book 42, Hadith 92
← Previous Hadith Do not turn unbelievers after me ; one of you may strike the neck of the other.

Sunan Abi Dawud Book 42, Hadith 91 Next Hadith → Four characteristics constitute anyone who possesses them a sheer hypocrite, and anyone who possesses one of them possesses a characteristics of hypocrisy till he abandons it : when he talks he lies, when he makes a promise he violates it, when he makes a covenant he acts treacherously, and when he quarrels, he deviates from the Truth.

Sunan Abi Dawud Book 42, Hadith 93