Modern society is full of temptations, which requires us to be good at giving up in choosing. 2 "Fish, what I want; Bear's paw is what I want. You can't have both, and you can take the bear's paw instead of the fish. " Both fish and bear's paw can be obtained, which is of course the most ideal, but this possibility is the smallest. In general, you need to choose between fish and bear's paw, even if you only get fish. It is also a success; If neither is willing to give up, blindly pursue "having both". It's a tragedy to get nothing in the end. 3 it takes courage and wisdom to abandon and abandon. The European golden eagle, known as the "king of birds", has only two young birds in a nest. Sometimes, due to lack of food, two young birds will "kill each other", and the strong one will squeeze the weak one out of the nest and fall to death under the cliff. Mother Golden Eagle has no choice but to tolerate this cruel "abandonment" in the face of the reality of starving two young birds or saving one young bird. After being trapped by the hunter's central government, the northeast wolf resolutely bit off the trapped leg and retired from life in the face of two choices: broken leg and loss of life. With this painful and decisive "abandonment", the Northeast Wolf saved his life. (5) the world's top science fiction writer Isaac? Asimov, once engaged in biochemical research and teaching. In research and teaching. He found that he had a genius for writing science fiction, so he made a calm and objective analysis of himself: I may not be a first-class scientist, but I may be a first-class science fiction storyteller. Asimov suddenly bid farewell to the university classroom and laboratory, and returned home, specializing in writing.