This book is a key to understanding Islamic heritage; For the reader to be able to strip the curricula that the predecessors reached, weaving its pattern, developing and developing it; Until it is compatible with our time, and the reader does not stand from the heritage of these fragile and rejected situations ... the position of absolute acceptance even for its temporal issues, or the position of absolute rejection even for the purpose of the sober, or the position of random selection without seeing, so the book opens a way to understand, and the correct weighting and choice the appropriate.