The complete sentence is, Tian Jian, the gentleman strives for self-improvement, the terrain is Kun, and the gentleman carries things with virtue. "The meaning of two sentences is: the movement of heaven (that is, nature) is strong and healthy, and accordingly, a gentleman should behave like heaven, strive for self-improvement, be resolute and firm, and never stop; The potential of the earth is thick and slippery, and the gentleman is tolerant.
A gentleman should run like Tianyu, indomitable even if he is displaced;
If you are a gentleman, the measurement of objects should be like the earth, and there is nothing unbearable.