数学是给不同事物起相同名字的艺术。
Mathematics is the art of giving the same name to different things.
True growth comes from challenging the status quo, not just maintaining it.
The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.
If you start out by promising what you don't even have yet, you'll lose your desire to work toward getting it.
我不喜欢亏钱,所以我试图买入便宜的股票。