Romans 1:31
"Without understanding, covenantbreakers, without natural affection, implacable, unmerciful:"
Cross References (ranked by relevance)
Without natural affection, trucebreakers, false accusers, incontinent, fierce, despisers of those that are good,
A fool hath no delight in understanding, but that his heart may discover itself.
There is none that understandeth, there is none that seeketh after God.
The highways lie waste, the wayfaring man ceaseth: he hath broken the covenant, he hath despised the cities, he regardeth no man.
For my people is foolish, they have not known me; they are sottish children, and they have none understanding: they are wise to do evil, but to do good they have no knowledge.
And Jesus said, Are ye also yet without understanding?
When the boughs thereof are withered, they shall be broken off: the women come, and set them on fire: for it is a people of no understanding: therefore he that made them will not have mercy on them, and he that formed them will shew them no favour.