M commented that he was far better than the Cosmic Police. Social justice and conscience are the foundations of his actions, and his strength lies in the belief in love, hope and freedom. In the vast universe, from the perspective of macroscopic, large-scale and high-dimensional civilizations, human beings are as insignificant as dust, or even just a medium, because our civilization has not even broken through the solar system, let alone travel through wormholes to explore vast galaxies. In the torrent of time, human existence is but a flashpoint, before billions of years of boiling magma, cooling oceans and sprouting single-celled organisms. It only took hundreds of thousands of years from Homo erectus holding a stone axe to landing on the moon and even exploring Mars. For time without beginning and end, it is not even a flick of a finger. Alien life takes the earth as pasture or mines, and human beings as fish or ants. Doctor always respects human civilization. M said that he is God. Maybe he is not the creator, but he must be the guardian. Among the many cosmic beings, he loves the earth with some partiality.
The most emotional thing is that the Doctor encounters River's past again and again in his future. The Doctor has the power of a time turbine, travels in time by Tardis, but is trapped in the timeline. Is it the curse of time? That is, you can never interfere with your own past. This is the cruelest law of time. His first kiss was her goodbye. His first encounter, for her, was forever. Then, in the never-ending time, forever wrong.
View more about Doctor Who reviews
