A person in the Song

This sentence means that you should not use bizarre and unfounded speculations to guess at things that are difficult to understand.,Zhao Zheng thought for a moment, and finally nodded: "Summon Yan Shu.",“He was in a coma. The imperial physician said it was blood stasis, with blood vessels in the brain clogged and stagnant. He had woken up for a while, but after regaining consciousness, he found himself blind. Terrified, he fainted again quickly. It is likely that this was caused by the blockage of blood vessels.”。