In a field by the river my love and I did stand,And on my leaning shoulder she laid her snow-white hand.She bid me take life easy, as the grass grows on the weirs;But I was young and foolish, and now am full of tears.

Legal rules are not merely commands backed by threats; they are also rules that confer powers and create obligations.

我从不回头看，我向前看。

The first duty of a revolutionary is to be educated.