Acts 7:51

"O stiff-necked men, uncircumcised in heart and ears, you also are continually at strife with the Holy Spirit--just as your forefathers were.

Romans 5:20-21

Now Law was brought in later on, so that transgression might increase. But where sin increased, grace has overflowed;

Treasury of Scripture Knowledge

Summary

Understand therefore, that the LORD thy God giveth thee not this good land to possess it for thy righteousness; for thou art a stiffnecked people.

A stiff-necked

Bible References

A stiff-necked

Acts 7:51
"O stiff-necked men, uncircumcised in heart and ears, you also are continually at strife with the Holy Spirit--just as your forefathers were.
Romans 5:20
Now Law was brought in later on, so that transgression might increase. But where sin increased, grace has overflowed;