John 12:40

He hath blinded their eyes, and hardened their hearts, that they might not see with their eyes, and understand with their heart, and be converted, that I might heal them.

Acts 28:26

Saying, Go to this people and say, Hearing ye shall hear, and shall not understand, and seeing ye shall see, and shall not perceive.

Romans 11:8

According as it is written, God hath given them a spirit of slumber, eyes that they should not see, and ears that they should not hear, unto this day.

Matthew 13:13-15

Therefore I speak to them in parables, because seeing they see not, and hearing they hear not, neither do they understand.

Mark 8:18

Having eyes, see ye not? And having ears, hear ye not? And do not ye remember?

Treasury of Scripture Knowledge

Summary

Hear now this, O foolish people, and without understanding; which have eyes, and see not; which have ears, and hear not:

General references

Bible References

O foolish

Matthew 13:13
Therefore I speak to them in parables, because seeing they see not, and hearing they hear not, neither do they understand.
John 12:40
He hath blinded their eyes, and hardened their hearts, that they might not see with their eyes, and understand with their heart, and be converted, that I might heal them.
Acts 28:26
Saying, Go to this people and say, Hearing ye shall hear, and shall not understand, and seeing ye shall see, and shall not perceive.
Romans 11:8
According as it is written, God hath given them a spirit of slumber, eyes that they should not see, and ears that they should not hear, unto this day.

General references

Matthew 13:13
Therefore I speak to them in parables, because seeing they see not, and hearing they hear not, neither do they understand.