´It was narrated from Ibn 'Umar that:` 'Uthman said: "I heard the Messenger of Allah [SAW] say: 'It is not permissible to shed the blood of a Muslim except in three cases: A man who commits adultery after having married; or one who kills intentionally, in which case he deserves retaliation; or one who apostatizes after having become Muslim, in which case he deserves to be killed.'"
Hadith Referenceسنن نسائي / كتاب تحريم الدم / 4062
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:إسناده حسن
´It was narrated that Abu Shaikh said:` "While we were with Mu'awiyah on one of his pilgrimages, he gathered together a group of the Companions of Muhammad [SAW] and said to them: 'Do you not know that the Messenger of Allah [SAW] forbade wearing gold unless it was broken (into smaller pieces)?' They said: 'By Allah, yes.'"
Hadith Referenceسنن نسائي / كتاب الزينة من السنن / 5155