What we do today will determine the climate for centuries to come.
最美的风景在攀登最艰难的山峰之后。
You cannot hope to build a better world without improving the individuals. To that end, each of us must work for our own improvement and, at the same time, share a general responsibility for all humanity, our particular duty being to aid those to whom we think we can be most useful.
Depression is the inability to construct a future.
如果你没有偶尔失败，那说明你没有在做任何真正创新的事情。