This quote suggests that our intense longing or desire for something is often fueled by our lack of complete knowledge or understanding about it. In other words, the mysteries, uncertainties, and unknowns surrounding what we desire make it seem more attractive and appealing. If we fully understood what we desired, with all its complexities and potential downsides, our desire might be less intense.

The idea can be likened to the saying "the grass is always greener on the other side." We often yearn for what we don’t have, imagining it to be better than it actually is. However, once we attain it and become familiar with its realities, the initial allure might fade away. This is because our desires are often idealized versions of reality, and the true nature of things can’t live up to these perfect images.

Applying this concept to today’s world, it can be seen in various aspects of life, such as relationships, careers, and material possessions. For instance, people often desire a certain job, thinking it will bring them happiness and satisfaction. However, once they obtain it, they may find it not as fulfilling as they had imagined, due to the stress, responsibilities, or other unforeseen aspects.

In terms of personal development, this idea encourages self-awareness and critical thinking. It suggests that one should fully understand what they desire before pursuing it ardently, as this can prevent disappointment and dissatisfaction. It’s about managing expectations, being realistic, and understanding that everything has its pros and cons. It’s also about realizing that sometimes, the chase or the longing for something can be more exciting than the actual attainment of it.

This understanding can help individuals make more informed decisions, set realistic goals, and manage their desires in a more balanced and healthy way. It can also lead to more contentment, as they may realize that what they already have is not necessarily inferior to what they desire.