Youth is not a time of life; it is a state of mind; it is not a matter of rosy cheeks, red lips and supple knees; it is a matter of the will, a quality of the imagination, a vigor of the emotions; it is the freshness of the deep springs of life.

成功的畜牧养殖关键在于平衡生产效率和动物福利。

To write is to rewrite, and to rewrite is to understand.

The most effective economic communities are founded on a shared ethical horizon, which includes a set of moral obligations that members of the community owe to one another.

The true poet is one who can capture the essence of a moment in a single word, and who can express the inexpressible in a single line.

能正确指出我缺点的人，是我的好老师；能赞成又能鞭策我的人，是我的好朋友；谄媚又阿谀奉承我的人，是害我的贼寇。