"That must be… Every minute counts. Time passes," replied Pei Yutang.
"What does time look like?" asked Lin Yan.
Pei Yutang stared at Lin Yan. "Sister Yan, are you… playing with me? If I could see time, would I still need to invest in you?"
"There is no such thing as time in the universe. Time is merely a term mankind uses," replied Lin Yan.
"Huh? What do you mean?" Pei Yutang was puzzled.
"Time is something that doesn't exist. It's an abstract concept. However, humans use time as a reference for convenience. It's an expression of wisdom, not the true existential meaning of time," explained Lin Yan.
"Then, how do you explain the sunset? Doesn't it happen because of time?" asked Pei Yutang.
The corners of Lin Yan's mouth twitched. "I believe you now. You are indeed a bad student. The sun rises and the moon sets because of a spatial phenomenon. Everything is constantly in motion, so the sun rises and sets."
"Then…"