随着距离的增加，我们的知识逐渐消失，而且消失得很快。最终，我们到达了模糊的边界——我们望远镜的极限。
The existence of life is ephemeral, so cherishing the present moment is crucial.
The worst crime is faking it.
The most successful societies in the future will be those that are able to combine the efficiency and technological dynamism of the market with the social safety nets and political stability provided by the state.
如果中原真的能消除战乱，我们两个老头子又何妨老死在戍边之地。