The most effective debugging tool is still careful thought, coupled with judiciously placed print statements.
"Stories are the way we teach children how to navigate the world with courage and kindness."
出自汉·桓宽《盐铁论·疾贪》。欲，想。表，仪表，这句话指身体。下，指下属。先之身，先要求自己。要想影子正，就要先把自己的身子站直；要想下属清廉，自己要先做出表率。这句话以正影先正身为喻，说明正人先正己的道理。
Data is the oil of the future, and cloud computing is the tool to extract and refine this oil.
信じることは、時には怖いことだ。
我们唯一需要害怕的就是害怕本身。
The most profound ideas in mathematics often arise from the simplest observations.
