And We have enjoined on man kindness (doing of good) to his parents; with trouble did his mother bear him and with trouble did she bring him forth; and the bearing of him and the weaning of him was thirty months; until when he attains his maturity and reaches forty years, he says, "My Lord! Grant me that I may give thanks for Thy favour which Thou hast bestowed on me and on my parents, and that I may work righteousness such as that which pleases Thee, and do good to me in respect of my offspring; surely I turn unto Thee, and surely I am of those who Surrender (in Islam).