The quote reflects on the idea that people, unlike nature, do not necessarily appear beautiful when they face difficult circumstances or "fall" in life. "Not in rain or snow or autumn leaves" signifies different seasons and challenges. The quote conveys the notion that human beauty isn't necessarily enhanced by adversity.
The quote underscores the contrast between nature's beauty in various seasons and human reactions to life's challenges. It suggests that the natural world can maintain its allure even in harsh conditions, while people may not always appear attractive when dealing with difficulties.
In essence, the quote speaks to the imperfections and vulnerability of human nature. It highlights the complexity of human experiences and emotions, suggesting that beauty isn't just skin deep and may not always be apparent in moments of adversity or struggle.