What is means The crisis of yesterday is the joke of tomorrow?

The phrase "The crisis of yesterday is the joke of tomorrow" suggests that what may seem like a serious problem today can later be viewed with humor or as insignificant in hindsight. It emphasizes the transient nature of crises and how time often changes our perspective on challenging situations. Ultimately, it reflects the idea that resilience and a sense of humor can help us navigate life's ups and downs.