This can be stated in active form. Alternate translation: "Do not behave as this world behaves" or "Do not do what this world does" (See: [[rc://en/ta/man/translate/figs-activepassive]])
You can translate this in an active form. Alternate translation: "but let God change the way you think and behave" (See: [[rc://en/ta/man/translate/figs-activepassive]])