Satan’s #1 strategy in today’s world is the disempowering of Christians so that we cannot successfully evangelize non-believers and doubters. In John 14:6-14, Jesus tells us the key to defeating this strategy. We must proclaim the truth about Jesus. However, this is only the first step! People do not become believers in Christ because we tell them that he is the only way to reach heaven. People become believers because they discover that (1) he is real, and (2) he cares about them, and (3) he is more powerful than all the evil they have been suffering. It is hard for non-Christians to believe in Christ when they have not witnessed miracles.
The problem is — the thing Satan is counting on — is that it is hard for us Christians to have enough faith in Christ to evangelize others if we have not witnessed miracles in the midst of our own sufferings.
God wants to change that. God is calling each of us to become his venues of truth and divine power. We are the voice of Christ in the world today, called to proclaim the truth. We are also the hands of Christ, called to reach out to prove that he cares by doing the works of divine power.