Most of us hate getting dirty and we go to great lengths to avoid it or wash it off as soon as we can. Dirt makes us feel horrible and look horrible. That’s why a bath or shower is so welcome and enjoyable, so refreshing and renewing.
But what about moral dirt? The Bible pictures sin as a dirt-problem. Do we see that? Do we feel that? Do we hate that? If so, do we want to get cleaned up? Do we want to wash our sin away? Let's see how serious this need for washing is and how God solves this problem in Exodus 30:17-21.