If the history of evolution is repeated, the probability of human appearance is zero. -Ghouls
History is evolutionary, but sometimes it always feels like repeating the past. Liao Mosha
The evolution of living things has a great relationship with the change of environment, and living things can only survive if they adapt to the environment. -Qu
The exploration of extraterrestrial civilization is not only a part of the exploration of the universe, but also has a far-reaching impact on the evolution of human beings and the development of science and technology. Zhou Haizhong
People should exist, but in order to evolve; You might as well suffer, but in order to relieve all suffering in the future; It is better to fight, but for reform. -Lu Xun
Imagination is more important than knowledge, because knowledge is limited, and imagination summarizes everything in the world, promotes progress and is the source of knowledge evolution. Strictly speaking, imagination is a real factor in scientific research. -Einstein