As for the scholars’ saying that it is obligatory for the rational adult, unanimously, and they differed in Islam, likewise with us, this purity is obligatory for the rational person, who is the one who understands God’s commands and prohibitions and what God throws into his secret, and differentiates between the thoughts of his heart regarding what is from God, from himself, from the word of the angel, or From the word of Satan, and that is man. If he has reached this point in knowledge and discernment, and he understands about God what He wants from him and hears

the words of God Almighty, “My servant’s heart is sufficient for Me”

then he must use this purity. In his heart and in every organ related to it according to the lawful limit, the purity of the sight, for example, in the inner part is looking at things with the judgment of consideration and his eye, so he does not send his sight in vain, and such a thing does not happen except for one who has achieved