What does the Bible say about vanity in Ecclesiastes?

In Ecclesiastes, Solomon concludes that all worldly pursuits are ultimately vanity. He experiences the best that life has to offer, yet concludes that nothing in this temporal world can satisfy the soul. His reflections urge readers to recognize the futility of seeking fulfillment in earthly possessions and pleasures, as they are transient and ultimately unfulfilling. This sentiment echoes the biblical truth that one’s life does not consist in the abundance of possessions (Luke 12:15). God's message through Solomon highlights the need to focus on what truly matters: a relationship with Him.