criticism of such collections
... that Islamic prophet Muhammad is said to have forbidden his followers to collect his sayings, and there is considerable criticism of such collections which have been said to form the basis of Islamic law?
... that <a class="mw-redirect" href="./Islamic_prophet" id="mwEdw" rel="mw:WikiLink" title="Islamic prophet">Islamic prophet</a> <a href="./Muhammad" id="mwEd0" rel="mw:WikiLink" title="Muhammad">Muhammad</a> is said to have forbidden his followers to collect his sayings, and there is considerable <b id="mwEd4"><a class="mw-redirect" href="./Criticism_of_Hadith" id="mwEd8" rel="mw:WikiLink" title="Criticism of Hadith">criticism of such collections</a></b> which have been said to form the basis of <a class="mw-redirect" href="./Islamic_law" id="mwEeA" rel="mw:WikiLink" title="Islamic law">Islamic law</a>?