If you stop to listen to a musician or street performer for more than a minute， you owe them a dollar.
如果你停下来听一个音乐家或街头艺人表演超过一分钟，你就欠他们一美元。
现在数学家面临的最大问题可能是黎曼假设。
However difficult life may seem, there is always something you can do and succeed at.
Our relationships with others are mirrors that reflect our own inner world and psychological state.
只要完全消除对尘世的眷恋之情，那么心灵之镜就会明亮澄彻，所以从外部关注自己的影像，不如从内部进行自我省察，驱除庸俗的念头；只要看破红尘，打消对如梦幻泡影一样的世事的执著之念，那么自身天性就会像明珠一样晶莹剔透，熠熠生辉，要做世间少有的通达超脱之人，最关键的还是要保护好自家内心的那一份纯真。
Quality is never an accident; it's the result of intelligent effort and relentless focus.