Summary
This quote suggests that pain and pleasure are two interconnected aspects of life that alternate just like light and darkness. It implies that one cannot experience pleasure without knowing pain, as they are opposite sides of the same coin. This concept emphasizes the cyclical nature of life, where moments of joy are followed by moments of struggle. Ultimately, it highlights the contrast and balance that exists in experiencing both pain and pleasure, and how these contrasting experiences contribute to our understanding and appreciation of each other.