The Third Article: What does this mean?

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Across
  1. 3. the whole _____ church on earth
  2. 7. in the one _____, true faith
  3. 9. I believe that by my own _____ or strength
  4. 10. and all the ____
  5. 12. has called me through the _____
Down
  1. 1. and kept me in the true _____
  2. 2. just as he calls, _____, enlightens
  3. 4. This is most _____ true
  4. 5. I cannot believe in Jesus Christ _____
  5. 6. the Holy Spirit abundantly _____ all sins
  6. 8. but _____ the Holy Spirit
  7. 11. _____ in this Christian church
  8. 13. On the _____ day the Holy Spirit will raise me