'Eye Has Not Seen' in the Bible

“The path [deep within] no bird of prey knows,And the falcon’s eye has not caught sight of it.

And from forever they have not heard, nor did they listen. Eye has not seen a God except You, who works for him who waits for Him.

but according as it is written, Things which eye has not seen, and ear not heard, and which have not come into man's heart, which God has prepared for them that love him,