Anabaptist Christianity stresses the importance of modesty, with traditional Anabaptist communities practicing this in the form of plain dress. This practice is a reflection of the Anabaptist doctrine of the nonconformity to the world, which is derived from . The influential Mennonite bishop Daniel Kauffman, who codified the Anabaptist theological text Manual of Bible Doctrines, explains that there are two categories of humans: "(1) those that follow the 'lust of the flesh, the lust of the eye, and the pride of life'—the world; (2) those that take Christ as their foundation, and allow their lives to be governed by principles of right—the body of Christ. The simple admonition of our text to those that constitute the body of Christ is, 'Do not allow yourself to become like the world.'" The transformation spoken of in Romans 12:2, according to Kauffman, involves this concept: "Whenever there is a change of mind, there is a change in all things subject to the mind." Furthermore, references being "unspotted from the world", which Daniel Kauffman references to explain the reason behind the wearing of plain dress by adherents of Old Order Anabaptist and Conservative Anabaptist communities:
