قوله عليه السلام آخر الصلاة التسليم محمول على الافضل واما اتمام الصلاة فلا بد منه لان من اتمامها الاتيان بالشهادتين على ما بيناه
His statement, peace be upon him, "the end of the prayer is the taslim," is to be understood as referring to what is preferable. As for the completion of the prayer, it is necessary, because part of completing it is the recitation of the two testimonies, as we have explained.