—— 请按键盘 空白键 开始游戏 ——

不要害怕犯错,但要快速从中学习。
The only limit to our realization of tomorrow will be our doubts of today.
The key to solving complex problems is to ask the right causal questions.
追求科学不是一种奢侈,而是人类生存的必要条件。