—— 请按键盘 空白键 开始游戏 ——

The only limit to our realization of tomorrow will be our doubts of today.
"Formal methods are not a silver bullet, but they are an essential tool in the quest for reliable systems."
The difference between the impossible and the possible lies in a person’s determination.
农业的真正领导力意味着要超越下一次收获的思考。