—— 请按键盘 空白键 开始游戏 ——

The only source of knowledge is experience.
Stay true to yourself, yet always be open to learn.
量子密码学不依赖于数学问题的难度,而是依赖于物理学的基本定律。
我在数学上花费的时间越多,我就越感到兴奋。
The sea gives us life, and it's our duty to give back by protecting it.