John Nelson Darby discusses the character of Paul's ministry in 2 Corinthians 10, emphasizing the importance of bringing every thought into obedience to Christ. He reflects on Paul's humble appearance and the challenges he faced from false apostles who sought to undermine his work without proper authority. Darby highlights the grace in Paul's approach, waiting for the Corinthians to fulfill their obedience while maintaining his authority. He draws parallels between the struggles of the early church and contemporary issues, noting that true power comes from the Spirit of God amidst challenges. Ultimately, he warns against the misconception that the church is merely a reflection of worldly issues, stressing the need for spiritual discernment.