Pumping Iron

Have you ever thought about the phrase "Exercizing your faith"?
Sometimes I put these kinds of things to imaginary scenarios. Imagine going to a gym where it has all of the workout equipment that you will ever need. There is a gym instructor to help introduce you to all the cool machines and help you find the machines to help you on your way. From time to time there is a person that walks in, looks at the equipment and complains that it's just the same old machines and never tries to use them. Others come in regularly and listens to the gym instructor week after week and goes home without using the equipment. Still others avoid the gym all together because ... fill in the blank.
There is so much that someone can do to build a healthy faith. Maybe being a passive observer doesn't help.