“Watch what people are cynical about, and one can often discover what they lack.”

Simplified Meaning:

People often criticize or doubt things they secretly wish they had or experienced. Imagine someone who always talks badly about people with lots of money, calling them greedy or selfish. Deep down, that person might actually want financial security or wealth themselves. Their negative comments can be a sign of their own desires or things they feel they are missing. Let's say a person always mocks those who travel a lot, saying it's a waste of money and time. It might mean that deep inside, they wish they could travel but maybe can't afford it or find the time. By paying attention to what people often criticize, we can get clues about their insecurities or unmet goals. This can help us understand them better and maybe even help them find ways to address what they're missing. So, if we notice someone being very negative about something, it might be worthwhile to look deeper and see if they’re lacking that very thing in their life.