The meaning is: the highest good is like water. Water is good at helping all things without competing with them. It stays in a place that everyone dislikes, so it is close to the Tao. A person with the highest good should live in humility like water, his intentions should be as deep as water, his friends should be as close as water, his words should be as sincere as water, his government should be as orderly as water, and his work should be as carefree as water. No, your behavior must be like water, ready to act. Precisely because he has no struggle with all things like water, he has no worries. When it comes to the ideological meaning contained in this, more explanation is needed.