Matthew 15:16 - And Jesus said, Are ye also yet without understanding? G801
Mark 7:18 - And he saith unto them, Are ye so without understanding G801 also? Do ye not perceive, that whatsoever thing from without entereth into the man, it cannot defile him;
Romans 1:21 - Because that, when they knew God, they glorified him not as God, neither were thankful; but became vain in their imaginations, and their foolish G801 heart was darkened.
Romans 1:31 - Without understanding, G801 covenantbreakers, without natural affection, implacable, unmerciful:
Romans 10:19 - But I say, Did not Israel know? First Moses saith, I will provoke you to jealousy by them that are no people, and by a foolish G801 nation I will anger you.