Deep into that darkness peering, long I stood there wondering, fearing, doubting, dreaming dreams no mortal ever dared to dream before.

Nature is wont to hide itself.

他这种聪明，别人能做到，而这种愚傻，别人便难以做到了。

成功不是终点，失败也非末日，最重要的是继续前进的勇气。