"Now when they saw the boldness of Peter and John, and perceived that they were uneducated and untrained men, they marveled. And they realized that they had been with Jesus." (Acts 4:13).
It is one thing to tell people about Jesus and quite another to emanate the Holy Spirit in such great measure that hearts are touched without us saying a word. Evangelistic programs are good and power evangelism by using spiritual gifts is better. However, in the coming Great Awakening, the greatest evangelistic strategy will be winning souls by releasing the presence of Christ within!