学习永远不会使心智枯竭。
The only way to save a rhinoceros is to save the environment in which it lives, because there's a mutual dependency between it and millions of other species of both animals and plants.
Success is not final, failure is not fatal: it is the courage to continue that counts.
We have to be part of the solution when it comes to climate change.
No man, for any considerable period, can wear one face to himself and another to the multitude, without finally getting bewildered as to which may be the true.
幸福是通过美德获得的，是人自己意愿获得的善。
Every element has a story, and every reaction tells a tale.