"What is length? What is area? What is volume?"
This unexpected question left Ao Liu stunned for a moment. He had not expected Wang Qi to ask something like this. After thinking for a while, he opened his mouth. "Length is..."
But the words reached his lips and would not come out.
What was length?
Everyone probably knew the answer to that question. Even newly awakened members of the Demon Race or small children could babble and gesture, grasping concepts such as size, length, and shortness.
Yet the simpler a concept was, the harder it became to describe. In most people's minds, "length" was already fundamental enough. Asking them to explain it with concepts even more fundamental than it...
It really was difficult.
Seeing his expression, Wang Qi found it faintly amusing, but he still spoke with perfect seriousness. "Since you cannot answer that question, let's make it simpler. Tell me: what is length?"
Ao Liu could no longer say anything like, "Don't underestimate demons."
He thought over the matter very seriously, then cautiously offered his conclusion. "The distance between two points..."
"Heh heh." Wang Qi merely laughed.
Ao Liu was somewhat angered. He rose to his feet and said, "Who would fail to understand something so self-evident? Since everyone understands it, why study it? If you ask me, you humans have already fallen into the barrier of obsession, staring only at your own little patch of land while failing to see the vast sky."
"Self-evident?" Wang Qi's tone brimmed with mockery. Using both hands and feet, he flipped down from the lectern, somersaulted through the air, and landed before Ao Liu's desk. He stared straight at Ao Liu, his smile a little sinister. "Kid, I have to tell you: nothing is self-evident. So-called 'self-evidence' is merely an illusion, a