That's how people should spend their lives. When you look back, you won't regret wasting your time, and you won't be ashamed of being mediocre.

Man's most precious possession is life. There is only one life, and he must cherish this time, so that he won't regret for wasting his time and be ashamed of the meanness and triviality of the past. So live, when he dies, he may say: All my life, all my strength has been dedicated to the greatest cause in the world-fighting for the liberation of mankind.

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 his meanness and vulgarity; On his deathbed, he can say, "All my life and energy have been devoted to the most magnificent cause in the world-the struggle for the liberation of all mankind.