And heal the sick that are therein, and say unto them, The kingdom of God is come nigh unto you. The kingdom of God is come nigh unto you - Εφ ὑμας, is just upon you. This was the general text on which they were to preach all their sermons. See it explained, Matthew 3:2 (note).
Related Commentaries of Luke 10:9
Luke 10:9
9 And heal the sick that are therein, and say unto them, The kingdom of God is come nigh unto you.