The sentence you provided illustrates the theme of the text by emphasizing the idea that attempting to interfere with fate can lead to sorrow and negative consequences. Among the options you've listed, the best choice is:
It implies that nobody should try to control their own fate or the lives of other people.
This interpretation aligns with the overall message of "The Monkey's Paw," which suggests that meddling with fate or trying to alter it can result in tragic outcomes, highlighting the dangers of trying to exert control over destiny.