The year-end summary of 2015 has been delayed to the present due to procrastination. Anyway, it should be summarized. Most of the year was flat, but sometimes The tide is also surging.

1、 Several concepts understood in 2015

① Compound interest

I learned this concept when I learned exponential function in high school, but it was just a common mathematical concept until I read an article by Li Xiaolai Of Compound Interest, Our Life Hope Only then did I understand that knowledge also follows the concept of compound interest. The simplest example is: you need to learn to ride a bicycle It will take a week, but it may only take 30 minutes to learn electric cars when you learn them. Another example is that it may take you three years to learn C language It may only take one month to learn C # later.

② Third state

Oviparous viviparous platypus (oviparous, lactating)
Female male monoecious (Ginkgo biloba)
Conductor insulator semiconductor (silicon)
Male female homosexual (gay and lesbian)
From another perspective, around our lives, the intervention of the third state has greatly improved the efficiency, such as the intervention between the purchase and sale of barter at the beginning Currency; Alipay of Alibaba (its original design is to solve the integrity problem between the buyer and the seller); Various intermediaries and human resources market Essentially, they are all problems of the third state. There is a huge wealth space between information asymmetries.

③ Slow is fast

We always overestimate the time utilization ratio of a day and underestimate the time utilization ratio of a month. Recording time is absolutely a very important thing Means of doing things. I have never read any book that requires long-term efforts, such as programming, mathematics and English, but this year I copied an English book Grammar book, recording time at the same time, a 458 page book, all hand copied in 50 hours. Xuan Yuanyou Grammar Club

④ Heart anchor

The first person who knew the concept of anchor was reading "Weird Psychology". The simplest explanation is that if you buy a bag for 200 yuan for the first time, the 200 yuan will become one An anchor, which can largely determine the price you can afford to buy a bag next time. So when you decide to do something for the first time, you must pay attention to it. This is another practical application of core anchor Making Money and Living Read on →