'Hard hearted' in the Bible

"If there should be a poor man among your relatives in one of the cities of the land that the LORD your God is about to give you, don't be hard-hearted or tight-fisted toward your poor relative.

"Listen to me, you hard-hearted, you who are far removed from righteousness:

But the house of Israel won't listen to you, since they weren't willing to listen to me. That's because the entire house of Israel is hard-headed and hard-hearted.