—— 请按键盘 空白键 开始游戏 ——

Collaboration and sharing of knowledge are essential for the advancement of science.
I think the best way to get over someone is to get under someone else.
衡量一个人的真正标准是他如何对待那些对他毫无益处的人。
萤火虫对群星说:「学者说你的光有一天会熄灭。」群星不回答它。