The past is a foreign country; they do things differently there.

Rule of 7 in research. You can find out anything if you are willing to go seven levels. If the first source you ask doesn’t know， ask them who you should ask next， and so on down the line. If you are willing to go to the 7th source， you’ll almost always get your answer.

可持续发展不仅仅是保护树木，更是确保人类与自然都能繁荣的未来。

我并不是一回到自行车上就赢了。经历了很多起起落落，有好成绩也有坏成绩，但这是一个长期计划。

The companies that succeed are those that turn non-consumers into consumers.