—— 请按键盘 空白键 开始游戏 ——

Laughter and tears are both responses to frustration and exhaustion. I myself prefer to laugh, since there is less cleaning up to do afterward.
数学不是观赏性运动——你必须参与其中才能欣赏它的美。
The best designs emerge from a deep understanding of both theory and context.
"The world is a book, and those who do not travel read only one page."