—— 请按键盘 空白键 开始游戏 ——

The act of writing is an act of optimism. You would not take the trouble to do it if you felt it didn't matter.
只有利他的生活才是值得过的生活。
试图在不激发学生学习欲望的情况下进行教学的老师,就像在冷铁上敲打。
This world is the best of all possible worlds.