so that what was spoken by Isaiah the prophet would be fulfilled:

This fulfilled what was spoken by Isaiah the prophet:

In this way what was spoken by Isaiah the prophet was fulfilled: “He took our weaknesses and carried our diseases.”

and the scroll of the prophet Isaiah was given to him. He unrolled the scroll and found the place where it was written,

so that the word of Isaiah the prophet would be fulfilled. He said, “Lord, who has believed our message, and to whom has the arm of the Lord been revealed?”

For he is the one about whom Isaiah the prophet had spoken: “The voice of one shouting in the wilderness, ‘Prepare the way for the Lord, make his paths straight.’”

And concerning them the prophecy of Isaiah is fulfilled that says: ‘You will listen carefully yet will never understand, you will look closely yet will never comprehend.

As it is written in the book of the words of Isaiah the prophet, “The voice of one shouting in the wilderness: ‘Prepare the way for the Lord, make his paths straight.

So they began to leave, unable to agree among themselves, after Paul made one last statement: “The Holy Spirit spoke rightly to your ancestors through the prophet Isaiah