The meaning is as follows:
From "Laozi·De Jing·Chapter 63". The original sentence is: If a husband makes a promise lightly, he will be distrustful; if it is easy, it will be difficult. Explanation: Those who make promises easily are bound to rarely be able to fulfill them. Those who take things too easy are bound to encounter many difficulties.
Lao Tzu put forward a standard for measuring right and wrong. Without involving specific plots, Lao Tzu believed that the credit that was easily promised must be insufficient and painted things too easily. However, in actual implementation, it will inevitably be Difficulties abound.
Understanding the meaning
This sentence is very philosophical. The first half of the sentence teaches us not to make promises easily. As long as we make a promise, we must practice it seriously and not lose faith. The second half of the sentence teaches us not to make promises easily. This sentence teaches us not to underestimate the things or opponents we encounter, otherwise we will definitely fail due to lack of stamina and necessary preparation in the process of doing this.
There is a story in "Zizhi Tongjian", which tells that Wei Wenhou and his ministers were drinking and playing music. When it rained, Wei Wenhou ordered to go to the mountains, and the ministers were puzzled. Wei Wenhou said, "I made an appointment with the Yu people to go hunting today. Although it is very happy here, how can I ignore an appointment." So "Go and let yourself go."