In this passage we read the emotional farewell of Paul to the elders of Ephesus, in its written form, this passage also became a permanent word of warning and instruction for all the Gentile churches established by Paul. Miletus was a tributary port city of Ephesus
The reign of God, mentioned by Paul in verse 25, is not frequent in his epistles; nevertheless, an understanding of its meaning shows that from the conceptual point of view it is synonymous with the most familiar form used by the apostle Paul "to preach the cross, the gospel, or life in the Spirit.
All of God's counsel refers to the broader vision of God's plan.
The disappointments and diminishing of the fullness of experience and ministry by the body of Christ often begins when men and women preach only part of the whole counsel of God.
Similarly, the lessons about leadership in the church, as well as its function, which is determined by the Holy Spirit, are also highlighted, as well as the characteristics of the false leaders, of whom Paul warns to take care of them.