You are blessed because of what Jesus did on the cross for you and not because of your own righteousness.
“Hear, O Israel! You are crossing over the Jordan today to go in to dispossess nations greater and mightier than you, great cities [a]fortified to heaven, 2 a people great and tall, the sons of the Anakim, whom you know and of whom you have heard it said, ‘Who can stand before the sons of Anak?’ 3 Know therefore today that it is the Lord your God who is crossing over before you as a consuming fire. He will destroy them and He will subdue them before you, so that you may drive them out and destroy them quickly, just as the Lord has spoken to you.
6 “Know, then, it is not because of your righteousness that the Lord your God is giving you this good land to possess, for you are a [d]stubborn people......