# 2022.6.21

1. Solve a leetcode problem: watch one episode of animation. 

> 完成一道中级题 

2. Check exam, try if you can finish them: watch a movie

> 完成大部分 数据结构 期末题

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易疲劳体质？不对，

连续专注2小时，感到疲劳大概是正常的。

> 一场考试也就这个时长，另外，人上了岁数，长时间不用大脑，确实思维能力会减弱

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Help others to do what would make others pay you for your work.

This is a question that you should think about often.

> In the end, tech is just a tool to help others.




Two extreme situations: 

1. use IT/AI to help dictators. Like use AI to help China to monitor its people.

2. use IT/AI to empower human civilization. Like Google or any other Open Info Platform.

> Never bend for money.