"How Steel Was Tempered" Ostrovsky
The most precious thing for people is life. Life belongs to people only once. A person's life should be spent like this Past: When he looks back on the past, he will not regret for wasting his life because of his inaction, nor will he feel guilty for being despicable and living a mediocre life. In this way, when he is dying, he can say: "I have devoted my whole life to He dedicated his life and all his energy to the most magnificent cause in the world - the struggle for the liberation of mankind."