—— 请按键盘 空白键 开始游戏 ——

Chemistry is not just a science—it’s a way of thinking.
The secret of change is to focus all of your energy,not on fighting the old,but on building the new.
I’ve learned that you have to be strong enough to stand alone, smart enough to know when you need help, and brave enough to ask for it.
“智慧的真正标志不是知识,而是想象力。”