It was a popular story, and unsurprisingly so, for it was based around the chilling words of the girl herself.* It was the perfect example of the sin and destruction that awaited those who left the Message. If we left, we could rest assured, without the Message we would fall apart. This version of the story is taken from The Sin of Unbelief, May 17, 1958: Sometime ago, I was speaking to a girl. I felt led just to say something to her.
Definition of duration: Period required to complete an activity, job, or task, usually excluding holidays and other non-working days.
Duration is measured in years. Generally, the higher the duration of a bond or a bond fund (meaning the longer you need to wait for the payment of coupons and return of principal), the more its price will drop as interest rates rise.