It is narrated from Sayyiduna Thabit bin Dhahak (may Allah be pleased with him) that the Noble Prophet (peace and blessings be upon him) said: And whoever swears by a religion other than Islam, while he is lying, then he will become as he has said.
Hadith Referenceالفتح الربانی / كتاب الأيمان والنذور / 5304
Hadith Gradingمحدثین:صحیح
Hadith Takhrij«أخرجه البخاري: 6047، ومسلم: 110، (انظر مسند أحمد ترقيم الرسالة: 16385 ترقیم بيت الأفكار الدولية: 16498»
It is narrated from Sayyiduna Buraidah (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: Whoever swears an oath that he will be free from Islam, if he is lying, then he will become as he said; and if he is truthful, then he will not return safely to Islam.
Hadith Referenceالفتح الربانی / كتاب الأيمان والنذور / 5305
Hadith Gradingمحدثین:صحیح
Hadith Takhrij«اسناده قوي، أخرجه ابوداود: 3258، والنسائي:7/6، وابن ماجه: 2100، (انظر مسند أحمد ترقيم الرسالة: 23006 ترقیم بيت الأفكار الدولية: 23394»