| 1 | The first chapter: to state clearly the academic direction of Chen's"Hurry two decades, change in forty years". | |
| 2 | Having explored his prolific academic life, if we saw time background and study emphasis as a clue to describe him"Hurry two decades, change in forty years"which was not over-exaggerated. | |
| 3 | Five minutes later the adjutant returned, and with marked courtesy, bowing and ushering Prince Andrey before him, he led him across the corridor to the private room of the war minister. |