Summary
This quote suggests that there are certain unchanging principles that determine happiness, and these principles apply universally to all individuals. It implies that regardless of one's background, culture, or circumstances, everyone can experience happiness by adhering to these eternal principles. In other words, the key to happiness is not contingent upon external factors, but rather lies in understanding and following these universal principles. This quote promotes the idea that happiness is within reach for everybody, emphasizing the equality of its availability to all individuals.