通往伟大的道路并不总是容易的,但它总是值得的。
"The path to greatness is not always easy, but it is always worth it."
The world is full of people who have never, since childhood, met an open doorway with an open heart.
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.