The more you look, the less you see.
一个设计良好的系统应该易于使用、易于理解和易于修改。
To understand just one life, you have to swallow the world.
译文:种植橘柚,吃起来是甜的,闻起来是香的;种植枳棘,长大了却会刺人。所以君子要谨慎地选择所要培养的人才。