So they disagreed with each other; and as they were leaving, Paul made one further statement: "The Holy Spirit was right in saying to your ancestors through the prophet Isaiah,
"Go to this people and say, You will indeed listen, but never understand, and you will indeed look, but never perceive.
For this people's heart has grown dull, and their ears are hard of hearing, and they have shut their eyes; so that they might not look with their eyes, and listen with their ears, and understand with their heart and turn— and I would heal them.'
Let it be known to you then that this salvation of God has been sent to the Gentiles; they will listen."
References for Acts 28:28