—— 请按键盘 空白键 开始游戏 ——

尝试一种方法是常识。如果失败了,坦率地承认并尝试另一种方法。但最重要的是,尝试一些事情。
With a library you are free, not confined by temporary political climates. It is the most democratic of institutions because no one - but no one at all - can tell you what to read and when and how.
时间是你的朋友;冲动是你的敌人。