Since the obligation of imitating the Messenger (SAW) is proven, and that the condition of the imitation is that the same like His action should be acted, then the ('ilm) knowledge of the direction (quality) of His action is one of the conditions for the carrying on. Therefore it is inevitable to know the ways by which the quality of His action can be known, in order that the action will be performed in accordance with the quality that He performed it as, i.e. waajib, mandoob, or mubaah. As for His action that is not a clarifier for a previous address, it is apparent that knowing the quality of the action is by knowing the selfsame action, if it is of that which one can get closer (to Allah Ta'ala) by performing it, then it is the mandoob, and if it is not of that which one can get closer by performing it, then it is the mubaah. As for His action which is a clarifier for a previous address, it is limited to the obligation (wujoob), preference (nadb), or the permissibility (ibaahah), so there are four ways to know the (direction) quality of His action: 1- The way that includes the three (directions/qualities). 2- The way of knowing the waajib.

3- The way of knowing the mandoob.

4- The way of knowing the mubaah.

1- The way that includes the three, it is of four things: one of them is by mentioning, i.e. the Prophet (SAW) mentions the obligation, the preference, or the permissibility of the action, i.e. by saying: this action is waajib, or mandoob, or mubaah.