Matthew 13:15

and their ears are dull of hearing, and they have closed their eyes; least they should see at all with their eyes, and hear with their ears, and understand with their heart, and be converted, and I should heal them.

Romans 3:11

there is none that understandeth; there is none that seeketh after God.

Hebrews 11:6

whereas without faith it is impossible to please Him; for he that cometh to God must believe, that He is, and is the rewarder of them that diligently seek Him.

Treasury of Scripture Knowledge

Summary

The LORD looked down from heaven upon the children of men, to see if there were any that did understand, and seek God.

Bible References

Any

Matthew 13:15
and their ears are dull of hearing, and they have closed their eyes; least they should see at all with their eyes, and hear with their ears, and understand with their heart, and be converted, and I should heal them.
Romans 3:11
there is none that understandeth; there is none that seeketh after God.