—— 请按键盘 空白键 开始游戏 ——

Never be afraid to challenge the status quo. That's how progress is made.
The scientist is not a person who gives the right answers, he's one who asks the right questions.
Once we realize that imperfect understanding is the human condition, there is no shame in being wrong, only in failing to correct our mistakes.
Learning is not a matter of trial and error, but of insight.
有抱负、有作为的人热爱国家,就像是热爱自己的家庭一样