Romans 9:18

Thus God has mercy on anyone just as he pleases, and he makes anyone stubborn just as he pleases.

Treasury of Scripture Knowledge

Summary

And Pharaoh sent, and, behold, there was not one of the cattle of the Israelites dead. And the heart of Pharaoh was hardened, and he did not let the people go.

The heart

Bible References

The heart

Romans 9:18
Thus God has mercy on anyone just as he pleases, and he makes anyone stubborn just as he pleases.