He repeated his request a second and third time for it to be transcribed for him. When I found no way to excuse myself from answering his request, I hastened to rectify its principles and laws, and to clarify its proofs and evidences. For it contains the branches of the Ṭūbā Tree, which is exalted above the direction of spatiality (al-hayyiz), and whose fruits are drawn near to the understanding of those sincere to the Truth.

God has forbidden Paradise to those ignorant of its fruits—those [fruits] which yield their produce at all times—because they are the inner reality (bāṭin) of the legislated acts of worship and the truth of what the Callers (al-Du‘āt) invited toward: of Prayer, Fasting, and Pilgrimage and Almsgiving (al-Zakāt), Jihad, and all other divinely legislated commands. Upon the gnosis and affirmation of these [realities] lies the reward, and upon ignorance of them and denial of their meanings lies the punishment. I have entitled this work: "The Purification of the Soul in Knowing the Inner Realities of the Five Acts of Worship." I have constructed it upon an Introduction and seven clear, elucidated chapters. As for the Introduction, it contains two dictums: