Sahih Bukhari

When the following Verse was revealed: "It is those who believe andconfuse not their belief with wrong (worshipping others besidesAllah.)" (6:83), the companions of Allah's Messenger (ﷺ) asked, "Who isamongst us who had not done injustice (wrong)?" Allah revealed: "Nodoubt, joining others in worship with Allah is a great injustice(wrong) indeed." (31.13)