检验假设有效性的唯一相关标准是其预测与经验的比较。
Global competition demands local understanding.
The best leaders are those who listen more than they speak and act with integrity.
通往地狱的路是由未完成的作品铺成的。
Just as in a good novel， a good program must be full of interesting ideas， and very， very few words.
好的程序应该像优秀的小说一样，充满有趣的思想但非常、非常少的文字。