The blind recover their sight and the lame walk, the lepers are made clean and the deaf hear, the dead, too, are raised to life, and the good news is told to the poor.
Then Jesus added: "Have you never read in the Scriptures?-- 'The very stone which the builders despised--Has now itself become the corner-stone; This corner-stone has come from the Lord, And is marvelous in our eyes.'
So his answer to the question was: "Go and report to John what you have witnessed and heard--the blind recover their sight, the lame walk, the lepers are made clean, and the deaf hear, the dead are raised to life, the Good News is told to the poor.
Indeed, the same God who said 'Out of darkness light shall shine,' has shone in upon our hearts, so that we should bring out into the light the knowledge of the glory of God, seen in the face of Christ.