—— 请按键盘 空白键 开始游戏 ——

I don't think that you have any insight whatsoever into your capacity for good until you have some well-developed insight into your capacity for evil.
Mathematics is a living subject, constantly evolving and growing.
Our goal is to organize the world's information and make it universally accessible and useful.
我们每个人都是一座孤岛,但我们可以通过桥梁连接彼此。
电影应该是一种自由的表达,而不是商业的奴隶。
解析:教导学生,不到他想弄明白而不得的时候,不去开导他;不到他想出来却说不出来的时候,不去启发他。
"The act of writing is an act of courage, a defiance against the silence of the world."