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20260219学习笔记~逆向思考&沉没成本

  • 2026-02-21 15:55:57
20260219学习笔记~逆向思考&沉没成本

20260219学习笔记~逆向思考&沉没成本​

【书摘】

​①回到明年的誓愿本身,最难的不是想“我要做什么”,而是想清楚“我可以不做什么”。

​②生活和工作中经常有一些不如意的事情,但是我们的习惯一般是忍受缺陷,修修补补,很少有推倒重来的勇气。
​长期来看,这种习惯会给我们带来更大的麻烦。

​③沉没成本是指已发生的成本支出,但不会影响当前行为或未来决策。
​理性的决策者应排除沉没成本的干扰。

④之前沉没成本总被用来解释一些情侣明知有问题、没有美好未来,却彼此不说破、纠缠很久的感情困扰,但沉没成本在工作和投资上的体现更加突出。

⑤希望我们经常有推倒重来的勇气和快速迭代的实践,在做决策时更能着眼未来,而非总是盯着已经发生的事情。


​【知识点】

​[1]什么是逆向思维?

我们平常习惯用的叫正向思维,是按照逻辑顺序,从原因推导结果(A→B→C)。
逆向思维则是倒过来,从结果反推原因(C→B→A),或者从常规的对立面去寻找解决方案。

[2]什么是沉没成本?
​详见图二、三。


【感悟】

【1】我们总觉得生活中重要的事情很多,任何琐碎都能轻易占据时间和精力。
这往往是因为没有认真思考两个问题:

[1]什么是我的“必需”?
[2]什么是我的“鸡肋”?

其实,人生真正重要的人与事,并不多。找到对自己最要紧的,然后把时间和精力,留给这些真正值得的。
​懂得舍弃“鸡肋”,才能专注于“必需”——这也是机会成本。


【2】关于②,我们这样做的深层原因:

[1]沉没成本
[2]损失厌恶:失去100元的痛苦远大于得到100元的快乐。
[3]现状偏见与惰性:维持现状是最省力的,人会本能地选择那条阻力最小的路。
[4]恐惧不确定性:魔鬼已知 vs 魔鬼未知,前者虽不好但至少熟悉。
[5]自我PUA:大家都这样,差不多得了,也许过段时间就好了……

推倒重来之所以难,是因为它反人性。
敢于对那些“鸡肋”按下停止键,本身就是一种稀缺的能力。

#逆向思维实战案例 #沉没成本误区解析 #沉没成本#机会成本#损失厌恶#不确定性#学习笔记#日拱一卒

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      136. /yingpanguazai/ssd/ssd1/www/no.67808.cn/vendor/topthink/think-template/src/Template.php ( 46.61 KB )
      137. /yingpanguazai/ssd/ssd1/www/no.67808.cn/vendor/topthink/think-template/src/template/driver/File.php ( 2.41 KB )
      138. /yingpanguazai/ssd/ssd1/www/no.67808.cn/vendor/topthink/think-template/src/template/contract/DriverInterface.php ( 0.86 KB )
      139. /yingpanguazai/ssd/ssd1/www/no.67808.cn/runtime/temp/6df755f970a38e704c5414acbc6e8bcd.php ( 12.06 KB )
      140. /yingpanguazai/ssd/ssd1/www/no.67808.cn/vendor/topthink/think-trace/src/Html.php ( 4.42 KB )
      1. CONNECT:[ UseTime:0.000676s ] mysql:host=127.0.0.1;port=3306;dbname=no_67808;charset=utf8mb4
      2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000514s ]
      3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000280s ]
      4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000255s ]
      5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000461s ]
      6. SELECT * FROM `set` [ RunTime:0.000174s ]
      7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000535s ]
      8. SELECT * FROM `article` WHERE `id` = 469205 LIMIT 1 [ RunTime:0.000445s ]
      9. UPDATE `article` SET `lasttime` = 1771804903 WHERE `id` = 469205 [ RunTime:0.002663s ]
      10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000235s ]
      11. SELECT * FROM `article` WHERE `id` < 469205 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000488s ]
      12. SELECT * FROM `article` WHERE `id` > 469205 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000377s ]
      13. SELECT * FROM `article` WHERE `id` < 469205 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000693s ]
      14. SELECT * FROM `article` WHERE `id` < 469205 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000688s ]
      15. SELECT * FROM `article` WHERE `id` < 469205 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.004042s ]
      0.169164s