the macroscopic level, two protons are nothing. Even a single cilium on a bacterium would include several billion protons. What’s the point? YE: They’re a lock. INTERROGATOR: A lock? What are they locking? YE: They are sealing off the progress of human science. Because of the existence of these two protons, humanity will not be able to make any important scientific developments during the four and a half centuries until the arrival of the Trisolaran Fleet. Evans once said that the day of arrival of the two protons was also the day that human science died.