Matthew 13:13-15
For this reason I speak to them in parables; because when they see, they see not; and when they hear, they hear not, nor do they understand.
Matthew 13:19
When any one hears the word of the kingdom, and understands it not, the wicked one comes and catches away that which was sown in his heart. This is he that received seed by the way side.
Romans 1:28
And as they refused to acknowledge God, God delivered them up to an undiscerning mind, to do detestable things;
2 Peter 3:5
For they are willingly ignorant of this, that by the word of God, the heavens of old had their being as also the earth consisting of water and subsisting by water,