How would a person feel if he could know everything that happened in the world?

First of all, the human brain simply can't process so much information. You can watch a TV series, a large group. A person's mind is almost complete just by stuffing some different personalities into it. Everything in the world, then this package does not include any atomic or quantum information. If it is included, then the amount of data, I am afraid, is just the data of a toilet, which exceeds the sum of all human written data. Another example is 1 binary language and computer data. First of all, the operation speed of the brain is required to be faster than that of the computer. It is estimated that people are brain-dead before they feel it, and they have no feeling at all. If the capacity and operation speed of the brain reach the level of receiving so much information. That's probably no different from a computer, because it's enough to process so much information, and there is no extra ability to think and feel. There was once a movie called Superbody, played by the goddess Scarlett, who just knew everything. Then she turned herself into a USB flash drive, because in terms of information, transmitting knowledge is enough, and any emotional consciousness is not important.