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Shiavault - a Vault of Shia Islamic Books The Islamic Modest Dress Sixth Lesson Allowable Expediences and Non-Expediences ** ** As a conclusion to our previous discussion, there are two points to be mentioned. One is that the science of the principles of religious jurisprudence has two expressions which are of use to us here. Some things do not have the advisability to make them obligatory nor do they have the maliciousness to be ruled as forbidden.
As they do not contain the criteria to oblige or forbid, they are allowable and because of this they are called allowable non-expediences (mubah la-iqtidati). Perhaps most of the allowables are of this type. But there are others. The reason for their being allowable is because of certain wisdom which releases them. That is, if the Divine Law did not allow them, a necessary malice would have appeared. These kinds of allowables are known as allowable expediences.
It is possible that with these allowables, an advisability or a maliciousness exists in activating or shunning these deeds but in order to obey a higher advisability which permitting then brings about, the Divine Law rules it as allowable and overlooks the other criteria.
Those allowables, which have been allowed because of not wanting to have fault or blame (haraj), are like this: Religious jurisprudents consider the fact that if they want to forbid some deeds, the life of people will become very difficult so they do not forbid them. Perhaps the best example is divorce. The Holy Prophet said, "Among all of the permissibles, divorce is the most detested." Someone may ask, "If it is detested then why is it permissible? Divorce should be forbidden." But no.
At the same time that it is a detested act and the issuing of a divorce causes the heavens to shake, it is not forbidden. When Abu Ayyub Ansari wanted to divorce his wife, the Holy Prophet said "Divorcing Umm Ayyub is a sin." But, if Abu Ayyub had divorced his wife, the Holy Prophet would not have said it was invalid. That is something which is not forbidden at the same time it contains as many aspects as a forbidden thing contains and perhaps more.
Because of this, it is detested but not forbidden. The reason is that Islam does not want marriage to be compulsory. That is, to oblige a man, who must be the support and protector of a woman, to keep his wife at all costs.