1. Knowing how to advance and retreat, and knowing gains and losses means knowing when to move forward and when to retreat; understanding the relationship between gain and loss. This sentence actually wants to explain a truth, that is, when we are doing things, we must learn to see clearly the environment and the current situation we are in, so that we can assess the situation and be good at observing the relationship between others, the environment and ourselves. , understand what you can currently gain or lose, and make a choice between gain and loss.

2. "Know the gains and losses, and know how to advance and retreat." is Liu Bang's famous saying. When he was comprehending life, he mentioned that life is not about how many things you see clearly, but how many things you underestimate. The width of the soul is not how many people you know, but how many people you tolerate. Being a human being is like a mountain, looking at all things and accepting all things. Being a human being is like water, you can advance and retreat, but you know how to advance and retreat. Those who are willing to suffer losses will not be able to suffer losses in the end and will return sooner or later; those who are willing to admit defeat will not lose their self-esteem in the end and will definitely win the hearts of the people. At the same time, this sentence tells us that we should be able to take things up and let them go, and we should not be too concerned about gains and losses. You must always be aware of the environment and situation you are in, learn to assess the situation, and grasp the opportunity to move forward or retreat. It is important for people to know themselves. Only by knowing yourself and the enemy can you be invincible.