One thing I have learned through the years of doing street healing evangelism is that the easiest thing to do is the healing/miracles itself and that people encounter the Lord! And the hardest part for believers is to overcome sin, fear, and condemnation which hinders them from being bold and radical for the Lord. And that has do with the lack of knowledge of the true gospel, Christ in you!
The answer is to truly understand the Gospel!
“I have been crucified with Christ and I no longer live, but Christ lives in me. The life I now live in the body, I live by faith in the Son of God, who loved me and gave himself for me.” -Galatians 2:20