Revelation 21:5

And he who sits on the throne said, “Behold, I am making all things new.” Also He said, “Write, for these words are faithful and true (they are accurate, incorruptible, and trustworthy).

We can get stuck in our old problems, feelings, anger, and sickness and not trust God to make us new. God has all the power to heal every wound we have ever received if we let Him. When we concentrate on God, the healer, and His abilities, we reset our thinking from doubt to belief. Where we put our focus is where our faith will be.