The heart is a fragile thing, easily broken but hard to mend.

诗人的笔比战士的剑更有力。

I sent my Soul through the Invisible, Some letter of that After-life to spell: And by and by my Soul return'd to me, And answer'd "I Myself am Heav'n and Hell.”

The laws of physics are not just rules, they are the language of the universe.

可持续林业不仅仅是砍伐树木，更是确保未来有森林可供珍惜。