These are some brief words about the meaning of knowledge and its classification into that which is beneficial and that which is not; as well as a note regarding the knowledge of the Salaf over that of the Khalaf. The way and wisdom of the Salaf, all goodness lies in traversing the way of the Salaf, beneficial Knowledge with regards the 'Inner Science', the foundation of knowledge and many other branches of beneficial knowledge.These are some brief words about the meaning of knowledge and its classification into that which is beneficial and that which is not; as well as a note regarding the knowledge of the Salaf over that of the Khalaf. The way and wisdom of the Salaf, all goodness lies in traversing the way of the Salaf, beneficial Knowledge with regards the 'Inner Science', the foundation of knowledge and many other branches of beneficial knowledge.