自由是对自我设定法则的服从。

如果你没有深陷其中，你怎么知道自己有多高？

Agricultural research requires enduring loneliness and withstanding failures.

The past is not just the past, but a prism through which the subject filters his own changing self-image.

文章贵在有实质内容，言辞必须出自自己的思考。