海，海，海。它翻滚着，翻滚着，呼唤着我。进来吧，它说，进来吧。
The sea, the sea, the sea. It rolled and rolled and called to me. Come in, it said, come in.
"The only way to learn mathematics is to do mathematics."
负责任的林业不是一种选择，而是我们所有人的义务。
什么是念佛三昧？就是思想专一、心念寂静的境界。