The computer is a medium of expression, like a violin or a paintbrush.
计算机是一种表达媒介，就像小提琴或画笔一样。
有时最难的案子是那些离家最近的。
The most important thing in the programming world is to make sure that the software we create is reliable and efficient.
That man, I think, has had a liberal education who has been so trained in youth that his body is the ready servant of his will.