The phrase, they will get well denotes a process, not instant manifestations. He is not the author of sickness or disease. You have found a promise for your circumstance. You have stood in faith on that promise being fully aware that God has the power to perform His word and is perfectly willing to exercise that power. From this point on we have to see ourselves well.
Faith believes before it sees results.
Have faith in God. Let s look at the Webster s Dictionary definition for the word substance. Now please, for your own benefit, meditate on this definition. Faith is the substance. Faith is the real or essential part or element of anything.