"The Holy Spirit spoke the truth to your forefathers when he said through the prophet Isaiah:
" 'Go to this people and say,
"You will be ever hearing but never understanding;
you will be ever seeing but never perceiving."
For this people's heart has become calloused;
they hardly hear with their ears,
and they have closed their eyes.
Otherwise they might see with their eyes,
hear with their ears,
understand with their hearts
and turn and I would heal them.'
"Therefore I want you to know that God's salvation has been sent to the Gentiles, and they will listen!"
Acts 28:25b-29 (NIV)