我们今天种下的每一棵树都是留给未来的遗产。

The truth is: the natural world is changing. And we are totally dependent on that world. It provides our food, water and air. It is the most precious thing we have and we need to defend it.

潜意识如果没有进入意识，就会引导你的人生而成为你的命运。

在数学中，解决问题的旅程与解决方案本身同样重要。