This quote is a witty commentary on the human tendency to criticize and belittle what we cannot have or what we feel excluded from. The speaker is essentially saying that those who speak ill of society are often those who are not accepted by it or cannot find their place within it. This could be due to a variety of reasons such as their social status, personal characteristics, or their inability to conform to societal norms and expectations.

The quote suggests a level of bitterness and resentment in those who deride society, implying that their criticism is more a reflection of their personal frustrations than an objective assessment of society’s merits or flaws. It also hints at the human desire for acceptance and the lengths we go to in order to fit in.

In today’s world, this idea is still very relevant. For instance, we often see people criticizing certain social circles, professions, or institutions they are not a part of. This could be seen in the way some people may criticize the wealthy, celebrities, or the political elite. On one hand, there may be valid critiques about these groups, but on the other hand, it could also be a manifestation of envy or a feeling of exclusion.

In terms of personal development, this quote could serve as a reminder to examine our criticisms and judgments of others. If we find ourselves constantly criticizing a particular group or society at large, it might be worth asking ourselves whether our criticisms are truly objective, or whether they stem from our own feelings of inadequacy or exclusion. This self-reflection can help us become more self-aware and less judgmental.