In "A Wrinkle in Time," Madeleine L'Engle emphasizes the importance of taking action against negativity and unpleasant circumstances. She suggests that if responsible individuals fail to intervene and address these issues, the world will become less beautiful and enjoyable. The quote serves as a reminder that our environment is shaped by our responses to challenges.

Ultimately, the message calls for active engagement from those who can make a difference. It highlights the role of individuals in maintaining the beauty and positivity of the world, encouraging a collective responsibility to confront and improve the situations that detract from the human experience.