Even in our modern era of iPhones and Übers and microwaves and instant coffee, we still need that extra time—that extra day. In a way, the Über is often times just as “slow” as the horse-and-buggy, and the text message just as sluggish as the postmarked letter. This is why when Jeremiah said six years, he really meant seven--and why, for Germans, one week can be expressed as "eight days."