(Ijtihad). Outwardly this takes the form of individual endeavour to learn knowledge of the Sacred Law (shari'a). Inwardly the efforts of the individual are directed towards self-purification in order to gain Knowledge of Allah. Such a striving (ijtihad) for knowledge is contrasted with the bestowal of knowledge. There are many seekers, but opening and unveiling, both of which are gifts of Grace, come only to the one who is receptive and prepared to receive this Knowledge.