—— 请按键盘 空白键 开始游戏 ——

数学家研究纯数学不是因为它有用;他研究它是因为他喜欢它,他喜欢它是因为它美丽。
The mathematician does not study pure mathematics because it is useful; he studies it because he delights in it and he delights in it because it is beautiful.
The true value of a forest cannot be measured in board feet alone.
Leadership is about making others better as a result of your presence.
"A detective is someone who looks for things that don't want to be found."