The issue of purity was very important for the Israelites. The Tabernacle was at the center of all of Israel’s life. God’s presence in the midst of the camp determined the life of the people. An important function of the Mosaic Law was to instruct people on how to live in the presence of a holy God. The holy and the impure cannot coexist. Thus, God provided a means to cleanse what had become impure. God chose purification rites and sacrifices to prevent the destruction of the people when they became impure. The following table shows the main causes for ritual and moral impurity and the prescription for achieving purity anew.