活着就是留下痕迹，而诗歌是所有痕迹中最持久的

真相就像太阳。你可以暂时挡住它，但它不会消失。

The only way to do great work is to love what you do.

"A man's memory might have only a hundred clear days in it and he has lived thousands."

Nothing is more beautiful than the loveliness of the woods before sunrise.

研究学习的唯一有意义的方法是通过客观测量。