—— 请按键盘 空白键 开始游戏 ——

Discipline is the bridge between goals and accomplishment.
一本书对孩子来说应该像一个朋友——令人安心、兴奋且充满惊喜。
The most important property of a program is whether it accomplishes the intention of its user.
Man is free at the moment he wishes to be.