—— 请按键盘 空白键 开始游戏 ——

Understanding black holes is understanding the fabric of the universe itself.
Life is a tragedy when seen in close-up, but a comedy in long-shot.
The future of coal depends on balancing economic growth with environmental care.
The poor face constraints that are often invisible to policymakers.
"Leadership is about bringing clarity to those you lead."
A good book should be an axe to break the frozen sea within us.
"Sometimes I think that the only thing that connects us to the past is the present. Without the present, the past would be lost forever."