What is the message does that deliver about the two sides from all summer in a day

All Summer in a Day delivers a message that leads an emotion like envy to cruelty.

Explanation:

In this story, children envy Margot because she is the only one who remembers the sun, as they have been very small and don't remember how it looks. there is a leitmotif in the story that repeats the idea of rain. This rain develops a mood in the story, which is the dark and cynical environment.