该句使用and连接两个并列的简单句，前半部分陈述观点，后半部分提出行动建议，结构清晰且语气积极。
What exactly is life? How should we treat it? The "I" in different states often gives completely different answers.
When facing setbacks and failures, I feel lost and frustrated. The world before my eyes seems to fall into gloom and sorrow, filled only with pain and sadness...
When achieving success, I feel excited and joyful, seeing a world full of vitality. At this moment, I tell myself: Life is full of fun, and we should strive and fight...
When the claws of selfishness and greed grasp me, I become lazy and petty, viewing everything only to make myself comfortable. At that time, I deceive myself: "Life is about enjoyment, existing only for oneself..."
However, when I embrace the Five-Star Red Flag with my gaze amidst the national anthem, lofty ideals occupy my heart, making my emotions surge. At this moment, I declare loudly to myself: "Life is about dedication. For that bright red flag, I am willing to dedicate everything I have!"
Ah, what is life really? I observe, I reflect.
Looking back: Over the past hundred years, our great and resilient nation has undergone unyielding struggles for liberation...
Life must not be controlled or dominated by selfishness and greed!
Life, as the great man said, "should be lived in such a way that when looking back, one will not regret the waste of time, nor feel ashamed of being mediocre!"
人生究竟意味着什么？我们应当如何对待它？处于不同状态下的“我”，往往会给出截然不同的答案。
当遭遇挫折与失败时，我彷徨苦闷，眼前的世界仿佛也陷入了阴霾与悲哀，只剩下痛苦与悲伤萦绕心头……
当获得成功时，我兴奋欣喜，眼前便是一个生机勃勃的世界。此时的我会告诉自己：人生充满乐趣，应当去拼搏，去奋斗……
当自私与贪欲的魔爪攫住我时，我变得懒惰且斤斤计较，眼中的一切只为让自己活得“舒坦”。那时的我会自欺欺人地想：“人生就是享乐，就是为自己而存在……”
然而，当我在国歌声中用目光拥抱五星红旗时，崇高的理想便占据了我的心房，令我心潮澎湃。此刻，我会对自己大声宣告：“人生就是奉献，为了那面鲜艳的红旗，可以献出自己的一切！”
啊，人生究竟是什么？我在观察，我在思考。
我回首望去：一百多年来，我们伟大而坚韧的民族，为了民族的解放，经历了百折不挠的斗争……
人生，绝不应被自私自利与贪欲所控制或支配！
人生，正如那位伟人所言：“一个人的生命应当这样度过：当他回首往事时，他不会因虚度年华而悔恨，也不应碌碌无为而羞愧！”