"For circumcision indeed is of value if you obey the law, but if you break the law, your circumcision becomes uncircumcision. This verse from Romans helps us to understand the nature of the covenant signs in the Bible--circumcision and baptism--as well as the sacramental meals. There are two extremes to which people gravitate when it comes to signs in the Bible. Some downplay them, ignore them, and neglect them. This is usually a reaction to the other extreme. On the other side of the spectrum are those who idolize the signs. They invest saving power into the signs that God never intended the signs to carry. Signs are exactly that--signs. Their very nature is to point to something greater. Too often we look at baptism and we think that the very act of placing water on a person (or dunking them, if that floats your boat) mystically does something. Some people believe it removes sin. Some believe ...