The improvement of the productive powers of labor, and the greater part of the skill, dexterity, and judgement with which it is anywhere directed or applied, seem to have been the effects of division of labor.

The structure of the international system forces states to behave in certain ways, regardless of their internal characteristics.

君子作战虽然布阵，但还是以勇敢为本。 

I have made a ceaseless effort not to ridicule， not to bewail， not to scorn human actions， but to understand them.

The writer’s duty is to tell the terrible truth, and it is the reader’s duty to learn from it.