Science is a wonderful thing if one does not have to earn one's living at it.
科学是个美妙的东西——如果无须靠它维生的话。
The best time to sell a stock is almost never.
To live is to suffer, to survive is to find some meaning in the suffering.
《三民主义·民权主义·第二讲》(1924年3月16日)
What is uttered is finished and done with.