In the electrical age, lamps brought light to people. But as the old saying goes, the scene is darker under the lamp.
The same is true in life. Even in a bright life, there is always darkness.
No matter how optimistic a person is, there will be a dark side in his heart.
Several people living in the shadows of their hearts struggled with each other and finally saw the light.
There is always light, but under the lamp, the night becomes darker.