It embodies the need to correctly grasp the causal connection of things and improve people's consciousness and predictability in practical activities.
If a person has no long-term worries, he must have immediate worries. This is a proverb in Chinese, which comes from "The Analects of Confucius_Wei Linggong".
It means that if there is no long-term plan, then there will be a lot of worries about recent things. It can be understood that if people have no long-term considerations, then the worries must be close at hand.
Extended information:
Confucius said: "If a person does not think about the long-term, he will surely have immediate worries." A hypothetical complex sentence can be explained like this: If a person does not consider the long-term, then he will definitely have worries. Will appear in the near future.
The idea is to ask people to have a far-sighted vision and consider the long term. In fact, this is an object preposition sentence, which can be modified like this: "If a person does not worry about the distant future, he must worry about the near future."