Romans 1:31

covenant-breakers, without natural affection, implacable, and unmerciful:

2 Timothy 3:3

without natural affection, perfidious, false accusers, intemperate, savage, enemies to the good, traitors,

Matthew 15:16

And Jesus replied, Are ye also still void of understanding?

Romans 1:20-21

Inasmuch as from the first creation of the world, the invisible things of Him, even his eternal power and Godhead, are, if attended to, clearly seen in his works:

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
Inasmuch as from the first creation of the world, the invisible things of Him, even his eternal power and Godhead, are, if attended to, clearly seen in his works:
Romans 3:11
there is none that understandeth; there is none that seeketh after God.
Matthew 15:16
And Jesus replied, Are ye also still void of understanding?

Covenant-breakers

2 Timothy 3:3
without natural affection, perfidious, false accusers, intemperate, savage, enemies to the good, traitors,