optimistic time. The law is enacted to process or means to force or executed according to the law of law itself. The civil procedure code, or the code of criminal procedure, etc.But did not set that will bring the guilty to justice? No action stages are determined. We have to rely on the provisions of the criminal procedure code. To catch the criminals to justice.If we compare the substantive law, comparable to the filter used in the filtration of water to clean. Optimistic time would mean that the use of water or the working process of air filterIf we don't know how to use or filtration process is installed in the machine. We can filter the water clean. The same if not optimistic time. Forced to follow the substantive law can difficult.Lack of orderly and ineffective.