Israel, in the Old Testament, was called to obey the law. But as Christians, we’re called to do the Word, we practise the Word. It’s called the “mirror principle.” The Word of God is a mirror, and anyone who hears the Word and doesn’t do it, (notice He didn’t say “and doesn’t obey it”), it’s like a man who sees himself in a mirror and when he turns away, forgets who he is. Which means the one who does the Word is the one who looks at himself in the mirror and remembers his identity.
God’s Word says, “You’re the righteousness of God in Christ Jesus”; your response, therefore, should be, “Yes, that’s who I am! I’m the righteousness of God in Christ Jesus.” That’s what God’s mirror shows you to be. When you turn from that mirror, keep the picture in your mind, and keep saying what the Word says. The necessary result is that you will live as the righteousness of God in Christ Jesus.
The same principle applies to your health; the doctor may have looked into your body, and seen a mass, diagnosing it to be cancerous. They turned on the wrong light. They’re seeing the wrong reflection, because they’re using the wrong mirror. The Word of God is the mirror of God, and it’s also the true light. It reveals the truth of who you are, what you have, and all that you can do in Christ.
Therefore, refuse to use the wrong light to assess your body or situation. Use the Word; the mirror of God. That mirror shows that you’re perfected in Christ, and that you’re the glory of God. The mirror shows that you can do all things through Christ, and no weapon fashioned against you shall prosper. The mirror shows that you’re eternally triumphant, and can never be disadvantaged.
Examine your life, and your situation with God’s Word only; accept only the image and reflection of you that God’s mirror shows you.