—— 请按键盘 空白键 开始游戏 ——

The pursuit of mathematical knowledge is a never-ending adventure, filled with challenges, surprises, and the satisfaction of solving the unsolvable.
Ignoring isn’t the same as ignorance, you have to work at it.
The most sustainable farm is the one that remains profitable year after year.
让人获得自由是艺术的目的。
When in doubt, tell the truth.