◎ In the night sky, those shining stars may be in the past tense. Those dark may no longer be nothingness, but the distance is too far, and the light is still galloping.

◎ The thermal process is a part of the space state. The order is from the hot in the past to the cold in the future, and the direction is from the inside to the outside.

◎ The time order is from tomorrow to today to yesterday, that is from future to past. Time and space are reverse loops. So the direction of time is from outside to inside.