计算复杂性的美在于它能够根据问题的固有难度对问题进行分类。

The greatest mysteries are those we create ourselves.

The real conflict is between the rights of the individual and those of society.

The power of a team far exceeds that of an individual—collaboration creates miracles.

一次又一次地后悔到终身,还不如不做后悔之事而无后顾之忧。

沉默是一种语言，它比任何话语都更响亮。