" الرجل على دين خليله، فلينظر أحدكم من يخالل"
Abu Hurairah (May Allah be pleased with him) reported: I heard the Prophet (ﷺ) saying, "Man follows his friend's religion, you should be careful who you take for friends". [Abu Dawud and At-Tirmidhi, who classified it as Hadith Hasan] .