lam, and generally all other religions, are not content
with simple declarations or warnings with respect to unlawful or harmful activity and
behaviour. They are eager to prevent and eliminate the means leading to such activity and
behaviour. In this context, Muslim jurists formulated a legal principle known as
Sadd-u-Thara'ie, which means, in practical terms, closing the doors or removing the means
which lead to what is unlawful. This principle entails the prohibition of certain
substances or activit