There is no easy walk to freedom anywhere, and many of us will have to pass through the valley of the shadow of death again and again before we reach the mountaintop of our desires.

改变世界的阻碍，并非人类的冷漠，而是世界实在太复杂。

生活充满不确定性，而这正是它有趣的地方。

真相很少是纯粹的，也从不简单。