中国水果要走出去，首先要解决的是标准化问题。
A good programmer is someone who always looks both ways before crossing a one-way street.
The truth is a matter of the imagination.
一个物理符号系统具备一般智能行为的必要和充分条件。
A good system design is one that makes it easy to do the right thing and hard to do the wrong thing.
一个好的系统设计是使做正确的事情变得容易，做错误的事情变得困难。