"If that happens, I will be a Jew." The Messenger of Allah (ﷺ) said: 'That is guaranteed."
Sunan Ibn Majah Book 11, Hadith 10
← Previous Hadith The Messenger of Allah (ﷺ) said: 'Whoever takes an oath to follow a religion other than Islam, telling a deliberate lie, he will be as he said.'"

Sunan Ibn Majah Book 11, Hadith 9 Next Hadith → the Messenger of Allah (ﷺ) said: "Whoever says: 'I have nothing to do with Islam,' if he is lying then he is as he said, and if he is telling the truth, his Islam will not be sound."

Sunan Ibn Majah Book 11, Hadith 11