編寫無錯誤程序的方式有兩種：只有第三個有效。
最重要的是忠于自己和自己的藝術(shù)。
Time is a slippery thing: lose hold of it once, and its string might sail out of your hands forever.
時間是個滑溜溜的東西：一旦失去控制，它的線索可能會永遠從你手中溜走。
Sustainability is not just about the environment, it's about people.