—— 请按键盘 空白键 开始游戏 ——

The world is like a chessboard, whereon we may see a living knight, but we cannot see a living chess.
世界就像一个国际象棋棋盘,我们可以看到一个活着的骑士,但我们无法看到一个活着的国际象棋。
"Language is the key to understanding the world and connecting with others."
孩子需要先感受到被理解,才能改变他们的行为。
增长来自于拥抱变化,而非抗拒变化。
天文学的美在于它能够将我们与浩瀚的宇宙连接起来。
Love is the poetry of the senses.
A problem is in P if it can be solved quickly by a computer, and in NP if a solution can be verified quickly.
There are two ways to write error-free programs; only the third one works.