Paul Kozakin's famous saying: Life is the most precious thing for people. Everyone has only one life. A man's life should be spent like this: looking back, he will not regret wasting his time, nor will he be ashamed of meanness and vulgarity; On his deathbed, he could say, "My whole life and all my energy have been dedicated to the most magnificent cause in the world-the struggle for the liberation of all mankind."

a person's life should be spent like this: when he looks back on the past, he will not regret wasting his time, nor will he be ashamed of being mediocre. "