继续读Cal Newport系列。本着“书非借不能读也”的原则从图书馆借了这本书，但是带娃的间隙总也读不完，于是花了一个周日晚上的两小时集中精力读完了这本书。
书大致分为两部分：motivation of deep work & rule of deep work。主要认真读了第二部分（rule)。
重点如下：
Rule #1: 找到自己work deeply的方式。不论是专门拨出一段时间work deeply，还是固定时间work deeply, 见缝插针式work deeply，你需要找到适合自己的方法。以及要建立这样的工作的形式(ritualize)，包括：
- Where you’ll work and for how long
- How you’ll work once you start to work
- How you’ll support your work.
work deeply和collaboration并不矛盾，以及你需要找到这两者之间的平衡。
“4DX” Framework 是作者的4个执行deep work的原则。
- Focus on the wildly important
- Act on the lead measures
- Keep a compelling scoreboard
- Create a cadence of accountability
总之就是需要像公司里impact driven的评价标准一样来执行deep work.
当然要work deep就要有downtime，作者对downtime的看法:
- Downtime aids insights
- Downtime helps recharge the energy needed to work deeply
- The work that evening downtime replaces is usually not that important
关键是要定期休息，好好休息
Rule #2: Embrace Boredom
喜欢distraction是人之常情，但是过多distraction会成为一种习惯，让我们的大脑无法集中精神（近年来我越来越多地感受到这一点）这个rule的目标是improve Rule #1.
“Don’t take breaks from distraction. Instead take breaks from focus.” 只在break的间隙做容易distract的事情，比如使用网络。
其他几个小方法：
人为设置deadline以集中注意力快速完成工作.
“Productive meditation”–在做一些不需要mental参与的活动时(biking, walking, .etc) 集中精神，think deeply. 两个小tip:
- Be wary of distractions and looping
- Structure your deep thinking.
有意识地在deep work的过程中训练自己的某项能力，例如memorize.
Rule #3: Quit Social Media
与我想象的不同，作者并未认为应该退出全部的社交网络，而是指出应该带着目的去使用，只有在得到的好处显著大于坏处时才使用某社交网络。
“Identify the core factors that determine success and happiness in your professional and personal life. Adopt a tool only if its positive impacts on these factors substantially outweigh its negative impacts.”
80/20 rule also applies here. If a social media can support the 20 percent of activities that generate the bulk of success (>80%) one needed, people should use it.
不要只为了娱乐目的使用社交网络。Carefully plan your leisure time.
Rule #4: Drain the shallows
Schedule every minute of your day, but with flexibility to account for the sponatenity.
Quantify the depth of every activity. Ask whether this work is useful for your long-term growth, or a college graduate can be trained to do it.
Finish your work by 5:30.
Become hard to reach.
总之减少你做shallow work 的机会。
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我希望减少context switching，所以在30分钟内完成了上面的笔记。像他的前一本书”so good that you cannot ignore you”一样，这本书观点集中但写作的条理性可以加强，以及有时候举例有点发散。但是书的主旨仍然很有价值。记录在这里以后回顾。