Answer:
Man cannot perfect nature.
Step-by-step explanation:
In "The Birthmark," the main theme is that man cannot perfect nature, and that attempts to do so can have disastrous consequences. This theme is conveyed symbolically through the birthmark on the protagonist's wife's cheek, which the protagonist, a scientist, is obsessed with removing. The birthmark is a symbol of the imperfections and flaws that are inherent in all living things, and the scientist's attempts to remove it represent his belief that he can use his scientific knowledge to overcome these imperfections and create a perfect being. However, as the story progresses, it becomes clear that the scientist's pursuit of perfection is futile and ultimately destructive, leading to the tragic death of his wife. In this way, the story uses the birthmark as a symbol to explore the dangers of trying to control and manipulate nature, and to ultimately argue that acceptance of imperfection is a more virtuous and healthy approach.