what you need to be asking for is almarifaah, you also need to work on taqwa, you need to purify your heart, ask of Allah during salat to assist you in this matter, start getting up to say tahajjud and dont stop say du3aa (dont use others du3aa make the du3aa of your heart, to say what is only memorized will get you no where) until the time of fajr and sobh, say Allah the nafil prayers and every single prayer and every single du3aa you ask for knowlege of that which is the truthnd you ask for purification of your soul and purification of the heart and you will succeed, it may take year it may