What is the meaning of the quote not having that which having makes them short?

The quote suggests that the absence of something can lead to a feeling of inadequacy or lack, particularly in comparison to those who possess it. Essentially, it conveys the idea that not having certain qualities, possessions, or experiences can make individuals feel "short" or diminished in some way. This can reflect on social status, personal fulfillment, or emotional well-being, highlighting how our perceptions of worth are often tied to what we have or lack.