I'm the reason your sound won't echo.

A law of nature， lex naturalis， is a precept or general rule found out by reason， by which a man is forbidden to do that which is destructive of his life or takes away the means of preserving the same.

在文学中，没有边界，没有限制。

"I don't need to be human to know what it means to care."

I shall be content if, because of me, there shall be better fruits and fairer flowers.