人人都在寻常幸福，但幸福究竟是什么？

The passage discusses the paradox of modern life, where despite material abundance, people feel more stressed and unfulfilled. It emphasizes the importance of recognizing what"s truly essential, like happiness derived from simplicity and contentment, rather than excessive possessions. The quote from Socrates highlights the idea that true happiness lies in appreciating what one doesn"t need.