and, indeed, we granted this wisdom unto Luqman: "Be grateful unto God - for he who is grateful [unto Him] is but grateful for the good of his own self; whereas he who chooses to be ungrateful [ought to know that,] verily, God is self-sufficient, ever to be praised!" 12 Luqman said to his son, counselling him, "My son, do not associate anything with God. Associating others with Him is a terrible wrong." 13 (And We have charged man concerning his parents -- his mother bore him in weakness upon weakness, and his weaning was in two years -- 'Be thankful to Me, and to thy parents; to Me is the homecoming. 14 But if they press you to associate something with Me about which you have no knowledge, do not obey them. Yet be kind to them in this world and follow the path of those who turn to Me. You will all return to Me in the end, and I will tell you everything that you have done. 15 "O my dear son," [continued Luqman,] "verily, if there be but the weight of a mustard-seed, and though it be [hidden] in a rock, or in the skies, or in the earth, God will bring it to light: for, behold, God is unfathomable [in His wisdom,] all-aware 16 O my dear son! Establish worship and enjoin kindness and forbid iniquity, and persevere whatever may befall thee. Lo! that is of the steadfast heart of things. 17 Do not (contemptuously) turn your face away from people, nor tread haughtily upon earth. Allah does not love the arrogant and the vainglorious. 18 Be modest in thy bearing and subdue thy voice. Lo! the harshest of all voices is the voice of the ass. 19