This 3 sentence summary provides the key details from the document: The document discusses living happily by controlling one's desires, not envying others for their possessions, and being satisfied with what one has. It emphasizes focusing inward on cultivating virtue and contentment rather than outward appearances or comparing oneself to others. The overall message is that inner peace comes from moderating wants, appreciating life's simple pleasures, and choosing a mindset of gratitude over greed.