At that moment, Zhao Yi said, "These are the principles of scientific investigation. Of course, there is much more—for instance, why do thunder and lightning happen in the sky? Why does it rain..."
"Big Brother Zhao, aren't those things controlled by immortals or the Dragon King?"
"Uh... Xuer, while immortals and dragons do cause certain events, the vast majority are simply natural phenomena unrelated to them. These too fall under the study of scientific investigation."
Chapter 121