以平常心看人，用责任心做事。书是人类进步的阶梯。书籍是朋友，虽然没有热情，但是非常忠实。

People, do things with the sense of responsibility according to usual mind.以平常心看人，用责任心做事. The book is the ladder of the progress of mankind.书是人类进步的阶梯。 The books are friends, though there is no enthusiasm, very faithful.书籍是朋友，虽然没有热情，但是非常忠实。