有些人特别善于了解自己的知识极限,因为他们必须这样做。
The most important property of a program is whether it accomplishes the intention of its user.
Of all men's miseries the bitterest is this: to know so much and to have control over nothing.
Every stitch tells a story. Make sure yours is worth telling.
Don't watch the clock; do what it does. Keep going.