Just as distance tests a horse's endurance, time reveals a person's heart; Just as distance determines the strength of a horse, a person has stood the test of time; The strength of a horse is tested by the distance it walks, and a person's heart is seen by the passage of time.
Yuan's anonymous "Striving for Grace" is the first time to fold: "I wish my sister a long life and wealth. If some children are good, I will repay my sister's kindness. You can't look at horsepower from a distance and look at people's hearts for a long time. " It shows that it is a long process to know the strength of a horse, and it is also a long process to see a person's inner quality. However, in the long and cruel war, guerrilla warfare will show its great significance.