—— 请按键盘 空白键 开始游戏 ——

We don't inherit the oceans from our ancestors - we borrow them from our children.
"Books are the keys to understanding ourselves."
I don’t need to be perfect, I just need to be better than yesterday.
"Do one thing every day that scares you."
数学的统一性不是强加的,而是被发现的。