Summary
This quote means that even the seemingly negative or unpleasant aspects of life can have some positive or beneficial elements. Just like sweets always have a hint of sourness, and every evil deed can lead to something good. It emphasizes the idea that there is a duality in everything, and that we shouldn't always see things in black and white. It reminds us to look for the silver lining or the lessons in challenges, as they can ultimately lead to growth, resilience, and positive outcomes.