Cognitive processes are rule-governed transformations of symbolic structures.

程序最重要的属性是它是否实现了用户的意图。

唱歌不仅仅是技巧，更是情感的传递。

You can't look back, you just have to put the past behind you and find something better in your future.

不懈的努力不是力量或智慧，而是打开潜能的钥匙。