森林不仅仅是一种资源,更是我们留给后代的遗产。
晏子春秋
"I'm not worried about what people say. I know what I can do."
过去从未真正消失;它活在我们体内,塑造着我们。
"The universe is full of magical things patiently waiting for our wits to grow sharper."
The only way to learn mathematics is to do mathematics.