Why Do We Believe, Types Of Disbelief, And Questions About Mezhep

"Why do we believe? Other Beliefs Types of Disbeliefs Why different mazhabs? 
Needle. If someone finds a needle in a street, he will think that this needle must ..."

http://islamiccenter.org/download/presentations%20and%20seminars/Why%20do%20we%20believe,%20Types%20of%20Disbelief,%20and%20%20Questions%20about%20Mezhep(3).ppt