问题的根本原因在于，在现代世界里，愚蠢的人自以为是，而聪明的人充满怀疑。
The fundamental cause of the trouble is that in the modern world the stupid are cocksure while the intelligent are full of doubt.
我不数做了多少仰卧起坐，只在感到疼痛时才开始计数。
凡是陽性必刚强，刚强一定光明，光明则容易了解。凡是陰性必柔弱，柔弱一定陰暗，陰暗则难以预测。
The elegance of a mathematical proof often mirrors the efficiency of the algorithm it describes.
The only way to tell the truth is to speak without persuasion.
无论我们承认与否，过去始终存在。