一个设计良好的系统应该易于使用、易于理解和易于修改。
海洋是我们最伟大的资源,但也是我们最大的责任。我们如何对待它,决定了我们的遗产。
Every body continues in its state of rest, or of uniform motion in a right line, unless it is compelled to change that state by forces impressed upon it.
最好的读者是那些为了偷师而阅读的作家。