A drop of ink fell into a glass of water. The cup of water immediately discoloured and could not be drunk. A drop of ink melted into the sea, and the sea was still a blue sea. Why? Because the amount of the two is different. The unripe wheat spike is straight up to the ground, and the ripe wheat ears hang down their heads.
Because the size of the two is different. To tolerate others is to be modest; to humble oneself is to weigh; together, it is the quality of a person.