31 unintelligent, unfaithful to engagements, unnatural, implacable, unmerciful:
Romans 1:31 Cross References - Haweis
Matthew 15:16
16 And Jesus said, Are ye also to this time destitute of intelligence?
Romans 1:20-21
20 For from the creation of the world his invisible perfections, discoverable in the works that are made, are clearly seen, even his eternal power and deity; so that they are inexcusable:
21 because though they knew [there was] a God, they glorified him not as God, nor gave him thanks, but became triflers in their disputations, and their stupid heart was darkened.
Romans 3:11
11 there is none that understandeth, there is none that seeketh after God.
2 Timothy 3:3
3 unnatural, implacable, slanderers, intemperate, inhuman, averse to goodness,