无为其所不为，无欲其所不欲。
【释义】不做那些自己不该做的事，不要贪图那些不属于自己的东西。
Friends are better than money. Almost anything money can do， friends can do better. In so many ways a friend with a boat is better than owning a boat.
The history of mathematics is a history of human thought and progress.
The concept of infinity is both fascinating and perplexing.
控制的艺术在于处理未知的事物。
实现不可能的唯一方法就是相信它是可能的。
"La soledad es el precio que a veces pagamos por ser diferentes."