义务是由于对法则的敬重而产生的行为必要性。

"A writer’s duty is to disturb the comfortable and comfort the disturbed."

The spread of liberal democracy around the world is not inevitable, but it is the most likely outcome of the process of modernization.

"The beauty of literature lies in its ability to transcend time and space."

语出西汉·桓宽《盐铁论·世务》。虽然有一片诚挚忠信的愿望，如不知道因事随机应变，那便是一条危险的，甚至会灭亡的路。