—— 请按键盘 空白键 开始游戏 ——

The best way to find out if you can trust somebody is to trust them.
记忆力不是天生的,而是可以训练的。
过去永远是紧张的,未来才是完美的。
"Innovation is the key to solving many of the world's problems, and it requires freedom to experiment and take risks."
数学的研究就像空气或重力——它无处不在,即使你看不到它。