A first-year appearing at the S-rank library area was absolutely a rare thing. The professors and researchers all had their suspicions, but they did not bother with him too much. Yet, when they occasionally heard Xiao Lin mumbling to himself, some of them could not hold back.
For instance, the fact that time could not be rewound was the same principle as the fact that the wall of time could not be broken. In the field, it was basically a universally-accepted theory. Xiao Lin could not help but let out a small laugh, even though he did not know which professor wrote that book; it was obvious that the theory had a massive hole in it.
Coincidentally, a professor who researched time was next to him, and after glancing at the book Xiao Lin was reading, he asked curiously, "You can understand this book?"
"Somewhat."
"That's quite strange; even among graduates, there are few who can understand this book. You had a realization earlier?"