Romans 1:31

Without understanding, covenant-breakers, without natural affection, implacable, unmerciful.

2 Timothy 3:3

disobedient to parents, ungrateful, unholy, Without natural affection, covenant-breakers, slanderers, intemperate, fierce, despisers of good men,

Matthew 15:16

And Jesus said, Are ye also yet without understanding?

Romans 1:20-21

For those things of him which are invisible, both his eternal power and Godhead, are clearly seen from the creation of the world, being understood by the things which are made, so that they are without excuse:

Romans 3:11

There is none that understandeth; there is none that seeketh after God.

Treasury of Scripture Knowledge

Summary

Without understanding, covenantbreakers, without natural affection, implacable, unmerciful:

Without understanding

Covenant-breakers

Bible References

Without understanding

Romans 1:20
For those things of him which are invisible, both his eternal power and Godhead, are clearly seen from the creation of the world, being understood by the things which are made, so that they are without excuse:
Romans 3:11
There is none that understandeth; there is none that seeketh after God.
Matthew 15:16
And Jesus said, Are ye also yet without understanding?

Covenant-breakers

2 Timothy 3:3
disobedient to parents, ungrateful, unholy, Without natural affection, covenant-breakers, slanderers, intemperate, fierce, despisers of good men,