Matthew 13:13-15

For this reason I speak to them in parables; because seeing they do not see, and hearing they do not hear, nor understand.

Matthew 13:19

When any one hears the word of the kingdom and does not understand it, the evil one comes and takes away the seed sown in his heart. This is he that received seed by the way.

Romans 1:28

And as they did not choose to retain God in their knowledge, God gave them up to a reprobate mind, to do things which are not proper,

2 Peter 3:5

For of this they are willingly ignorant, that the heavens were of old, and the earth was made of water and by water by the word of God,

Treasury of Scripture Knowledge

Summary

The ox knoweth his owner, and the ass his master's crib: but Israel doth not know, my people doth not consider.

Bible References

But israel

Matthew 13:13
For this reason I speak to them in parables; because seeing they do not see, and hearing they do not hear, nor understand.
Romans 1:28
And as they did not choose to retain God in their knowledge, God gave them up to a reprobate mind, to do things which are not proper,
2 Peter 3:5
For of this they are willingly ignorant, that the heavens were of old, and the earth was made of water and by water by the word of God,