(Takhliyah). Before the purification of the heart and the secret are achieved there must be an emptiness (takhliyah). Such an emptiness is attained ultimately through the Grace of Allah but also through the sincere observance of the spiritual work. And one must be in a state of inward emptiness before the heart can be filled with the Lights of Knowledge which are contained within The Qur'an. The slave is bereft and poor, destitute and in need of Allah. He is empty of everything save Love of Allah.