People
If things are going untowardly one month, they are sure to mend the next.
— Jane Austen

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
The statement meets a bad month with confidence that the next will improve. Its neat movement from trouble to repair makes optimism sound dependable. Read as reassurance, it encourages patience, while the certainty belongs to the speaker's hopeful outlook rather than a demonstrated rule.
Context reviewed