Ao Liu rose to his feet. "I never felt how small I was. All I felt was the arrogance of you humans."
"You went in circles and said a whole heap of things that were deliberately impossible to understand. Fine, let that pass. The sole correct definition of length?" He stood up, shouting furiously, "That is merely your human race's understanding of the word! Stop speaking in that tone as though you have grasped absolute truth!"
"Is that so?" Wang Qi picked at his ear. "Could length possibly have some other interpretation?"
Ao Liu said indignantly, "So-called 'length' was originally a hazy concept. Everyone could understand it, and there was no need for grand but empty theories like yours to explain it..."
"Oh? Isn't it impressive to make something unclear clear?" This time, Wang Qi simply did not even look at Ao Liu.
"That is only your own claim." Ao Liu forcibly held back his temper. "Everyone can form their own understanding of it."
"Your own understanding, huh?" Wang Qi raised his eyelids. "You have one too?"
Ao Liu nodded. "In my view, the word length is..."
"Ah, I did not ask how you viewed it. Just answer whether you have one or not." Wang Qi said, "Looks like you do..."
"Of course." Ao Liu snorted. He had always been renowned for his quick wit. When Wang Qi had explained Lebesgue measure just now, he had already understood the rules of this "word game"—or at least, that was what he believed.
Wang Qi rolled his eyes. "Then in your freshly minted definition of length, after listening to my lecture just now, does 'nothingness' have a length? If it does, is that length zero?"
Ao Liu did not seem to think this insignificant detail mattered much. He nodded. "So what if