达观知命

Explanation: Philosophical: refers to all let things slide, or up_set_; life: fate; attitude to life: we know what it means. Refers to the unhappy things up_set_, let fate and nothing to worry about. 　　Source: Mao Dun, "Disillusion" fourth: "philosophical attitude to life the idea of being extradited to leave the boredom of thorns static. Daybreak, she is also heavy sleep." 　　Examples: You can not have ~ thoughts.