一个设计良好的系统是能够随着时间的推移而发展,而不需要大量的返工。
A well-designed system is one that can evolve over time without requiring significant rework.
It is hard to read a newspaper or watch a television newscast without encountering someone who has come up with a new 'solution' to society's 'problems.'
The purpose of life is not to be happy. It is to be useful, to be honorable, to be compassionate, to have it make some difference that you have lived and lived well.
The beauty of mathematics only shows itself to more patient followers.