In mathematics, the simplest questions often lead to the deepest insights.
Forests are not just resources; they are our planet's lungs and our best defense against climate change.
You may not control all the events that happen to you, but you can decide not to be reduced by them.
你或许无法控制发生在你身上的所有事情，但你可以决定不被它们打倒。
怎么会有不用同道的人而只用与自己意见相同的人的道理呢？