—— 请按键盘 空白键 开始游戏 ——

Theorems are the milestones of mathematics.
Love is not love which alters when it alteration finds.
The best leaders are those who empower their teams to take ownership and drive change.
后见之明对历史学家乃至回忆录作者非常有用,但遗憾的是,实践中的政治家却无法拥有。