The concept of a particle is only approximate and has meaning only in the limit of small momenta.
粒子的概念只是近似的，并且只有在动量较小的极限下才有意义。
君子的学习，听在耳里，记在心里，体现在仪表举止上，表现在一举一动中。
大海是一个思考未来的好地方。
译文：在激流中屹立的柱石，力挽狂澜，具有天才，建立伟大的功业，把百姓从苦难中拯救出来，使国家的命运如同磐石般稳固，不是大英雄不能担当这样的重任。
To write is to bear witness to the world and to oneself.
I think it's important to have a sense of humor about yourself.
诚信是商业中最重要货币。一旦失去它，你就失去了一切。
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
数学不是关于数字、方程、计算或算法的：它是关于理解的。
"You can’t always get what you want, but sometimes you get what you need."
Find your enemy, you will be safely!
音乐是唯一有意义的东西了。
过去从未消逝，它甚至从未成为过去。
