 or is illustrating this, from Genesis chapter 15. Now, in Genesis chapter 15, and you need to understand this, some of you are going to go, we're going to go down what can feel like a little bit of a rabbit hole for a moment, but it's not. In Genesis chapter 15, Paul illustrates, or from that passage, the covenant being established with Abraham, who was actually Abram at the time. And Abraham asked God, how will I know, this is verse 8 in chapter 15, that I will gain a possession? In other words, how do I know this promise is going to come true?