New Defender's Study Bible Notes
11:23 I am more. This remarkable catalog of Paul’s sufferings endured in preaching the gospel (II Corinthians 11:23-33) certainly demonstrates the fulfillment and reality of his original call (e.g., Acts 9:15). It is only a representative list, not including all of his sufferings as described in Acts. On the other hand, it includes a number of items not mentioned in Acts, showing thereby that the book of Acts was not written as a biography of Paul or other apostles but rather to chronicle the spreading of the gospel in the early years of Christianity.
11:28 without. That is, “outside the Christian community.”