(41) CHAPTER. The Statement of Allah: “And indeed We bestowed upon Luqman Al-Hikmah (wisdom and religious understanding) (up to) a great Zulm (wrong) indeed.” (V.31:12,13)
Narrated `Abdullah: When the Verse:-- 'Those who believe and mix not their belief with wrong. was revealed, the companions of the Prophet said, Who amongst us has not mixed his belief with wrong? Then Allah revealed: Join none in worship with Allah, Verily joining others in worship with Allah is a great wrong indeed.
Narrated `Abdullah: When the Verse:-- 'Those who believe and mix not their belief with wrong.' was revealed, the Muslims felt it very hard on them and said, O Allah's Apostle! Who amongst us does not do wrong to himself? He replied, The Verse does not mean this. But that (wrong) means to associate others in worship to Allah: Don't you listen to what Luqman said to his son when he was advising him, O my son! Join not others in worship with Allah. Verily joining others in worship with Allah is a great wrong indeed. (31.13)