Human beings are naturally social animals. ——Aristotle

Did you know that humans always overestimate the value of what they don’t have? ——Bernard Shaw

The exploration of extraterrestrial civilizations is not only part of the exploration of the universe, but will also have a profound impact on human evolution and the development of science and technology.

——Zhou Haizhong

What an amazing masterpiece human beings are! What noble reason! What a great power! What a beautiful instrument! What a graceful gesture! How like an angel in behavior! How like a god in wisdom! The essence of the universe! The primate of all things! ——Shakespeare