即使鬼神不存在，这也可以用来聚集众人来欢乐，使得邻里亲近。 

“风过而竹不留声”，“雁过而潭不留影”，大千世界的种种现象都只是表象，真正具备君子品性的人，才能看清它们的本质，当事情来临时，他的良知就会发挥作用，事情过去之后，一切又归于清净虚空，因此他总能坦坦荡荡无忧无惧。

The passions that incline men to peace are fear of death, desire of such things as are necessary to commodious living, and a hope by their industry to obtain them.

"The act of writing is an act of resistance."

In the age of big data, the mathematical principles of data structures and algorithms have become more critical than ever.

我相信要直面挑战，而不是回避它们。