Many have forgotten that unofficial witness-bearing used to be the chief way by which the good news went around the world. I tell you, and you believe and receive and tell someone else, and he tells others. Frank, vital telling in ordinary language that the Lord Jesus Christ lives and loves, and can save and keep, and can be known like a real friend, and is a Master who gives real orders and strength to carry them out – think of the power that is in that! Can you wonder that the devil detests it?
Source: Fragments That Remain