Misinterpretations often lead believers to pursue total isolation from society, like extreme separatism or monasticism, wrongly assuming the passage demands physical withdrawal rather than spiritual nonconformity, since Jesus elsewhere prays for their preservation in the world; others misuse it to foster elitism, despising non-believers instead of loving them evangelistically, or to rationalize worldly indulgence by claiming an otherworldly identity excuses ethical lapses.
John 17:16
King James Version (1769)
16 They are not of the world, even as I am not of the world.
Jesus prays that his disciples are not of the world, just as he is not, underscoring their spiritual separation from the world's sinful system and values due to their divine origin and rebirth in him, calling them to live as holy ambassadors of God's kingdom amid earthly challenges while resisting conformity to ungodly patterns.