Body builders understand things like Christians. They sacrifice. They discipline themselves. They put in effort. The forgo delectable but unhealthy treats. Results are what they’re after.
To be sure, there are many body builders who are so into themselves that they are far from Christian. No doubt, many are narcissists. Others are hedonists. But the principal they understand is the same of the Christian: A greater good is attained by forgoing sin.
Of course, we are not saved by behaving saintly. We are saved by confessing we are sinners and asking Jesus to be our Lord. This is the first sacrifice, the sacrifice of our self-sufficiency and pride. From there, there is a need to continue growing, setting goals and attaining them Go to the gym is not a New Year’s fad; it must be a lifestyle change, just like Christianity.
The analogy is not 100%, as no analogy ever is. But it seems to me that it wouldn’t be a major shift in thinking for gym rats to become church rats.
Mustard Seed Budget 