Paul is addressing the Corinthian church, emphasizing the unity and consistency of the gospel message that has been preached to them. He highlights that whether it is he or other apostles who have delivered the message, the content remains the same. This consistency is crucial because it underscores the reliability and truth of the gospel. Paul wants the Corinthians to understand that their faith is based on a solid and unified message about Jesus Christ, which is not dependent on the messenger but on the truth of the message itself.
This statement also serves to remind the believers that the power of the gospel lies in its content, not in the charisma or reputation of the preacher. By focusing on the message rather than the messenger, Paul encourages the Corinthians to remain steadfast in their faith, knowing that it is built on the foundational truths of Christianity. This unity in preaching is a testament to the shared mission of the apostles and the enduring truth of the gospel that they proclaim.