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 And (remember) when Luqman said unto his son, when he was exhorting him: O my dear son! Ascribe no partners unto Allah. Lo! to ascribe partners (unto Him) is a tremendous wrong - 13 (Concerning his parents), We advised the man, whose mother bears him with great pain and breast-feeds him for two years, to give thanks to Me first and then to them, to Me all things proceed. 14 And if they contend with you that you should associate with Me what you have no knowledge of, do not obey them, and keep company with them in this world kindly, and follow the way of him who turns to Me, then to Me is your return, then will I inform you of what you did-- 15 [Luqman further said,] "O my son! Though it be but the weight of a grain of mustard seed and though it be hidden in a rock, or in the heavens or on the earth, God will bring it forth. Truly, God is the knower of all subtleties and He is aware. 16 O my son, establish prayer, enjoin what is right, forbid what is wrong, and be patient over what befalls you. Indeed, [all] that is of the matters [requiring] determination. 17 "And turn not your face away from men with pride, nor walk in insolence through the earth. Verily, Allah likes not each arrogant boaster. 18 "Hence, be modest in thy bearing, and lower thy voice: for, behold, the ugliest of all voices is the [loud] voice of asses…" 19