One might hastily conclude the reading of the Old Testament has little to do with vital New Testament contemporary Christian experience. So many portions of Chronicles and Leviticus feel void of spiritual life and practical help of any kind. But remember the link between today's text and these preceding verses from our last study in - Hebrews 6:11-12 - "And we desire each one of you to show the same earnestness to have the full assurance of hope until the end,  so that you may not be sluggish,but imitators of those who through faith and patience inherit the promises."
The idea here is sluggishness must be resisted. And the way it's to be resisted is through being "imitators of those who through faith and practice inherit the promises"(12). Those two concepts are linked together in the very same single verse, so they're intended to be seen as problem ("sluggishness") and remedy("imitators of those who through faith inherit the promises"). But who shall we imitate? Can we just pick our role models at random? Will rappers and pop stars and academy award winners do the trick? No. Our text points our attention in a very specific direction and the direction is the Old Testament. Our writer assumes a working knowledge of the major players - in this case Abraham. Imitate Abraham to avoid spiritual sluggishness.
That's incredibly striking. There's something we're being called to consider in these words. The New Testament completes and fulfills the Old, to be sure. But it still needs to be remembered that a full appreciation of the New Covenant requires understanding the lessons God was revealing in the Old. He gave us centuries of revelation making way for the full appreciation of the New Covenant in all its glory.
The whole New Testament assumes a working knowledge of the Old Testament. Examples and warnings and personalities are mentioned constantly - over and over again - frequently on the lips of Jesus. These two testaments are designed to be read together. A plot line is being formed. And the ending is seen in its deepest meaning when we understand how the divine plan got there.