"Return from the Stars" is a science fiction novel by Stanislav Lem.
The novel tells the story of astronaut Hal Brag. He returned from a space expedition to Fomalhaut, which lasted about 10 years due to a relativistic slowdown. And 127 years have passed on Earth during this time.
Hal discovers that while he was traveling on Earth, there was a utopian, unusual for an astronaut from the past society, without violence and wars.
that the basis of the new civilization is the procedure of betrization, which neutralizes all aggressive impulses in the human brain and strengthens the instinct of self-preservation. However, this procedure also has side effects, at least from Hal's point of view. Mankind is not at risk, in particular, space travel is seen as unwarranted adventurism. He and other astronauts are becoming alien to society and even dangerous because they have not been betrized. The protagonist is faced with a choice: to accept the values of a new society or to become an exile ...
Review of the book: "Return from the Stars" by Stanislav Lem: Is a world possible without fear? (author Mariana Zelenyuk)
