心理与物理之间的界限并不像我们通常认为的那样清晰。
The present is a point just passed.
In every country, the most important thing is the education of the people.
"Hope is the thing with feathers that perches in the soul, and sings the tune without the words, and never stops at all."
Earth provides enough to satisfy every man's needs， but not every man's greed.
Writing is a struggle against silence.
