Matthew 13:13-15
On this account, I speak to them in parables; because, seeing, they see not; and, hearing, they hear not, nor understand.
Matthew 13:19
When any one hears the word of the Kingdom, and understands it not, the evil one comes, and snatches away what has been sown in his heart: this is he that was sown by the wayside.
Romans 1:28
And, as they did not approve the holding of God in their knowledge, God delivered them up to a reprobate mind, to do those things which are not becoming;
2 Peter 3:5
For this escapes them willingly, that there were heavens of old, and an earth set together out of water, and through water, by the word of God: