“Their long years together had shown him that it did not so much matter if marriage was a dull duty, as long as it kept the dignity of duty: lapsing from that, it became a mere battle of ugly appetites.”

“Love can flourish only as long as it is free and spontaneous; it tends to be killed by the thought of duty. To say that it is your duty to love so-and-so is the surest way to cause you to hate him of her.”

“Duty is heavier than a mountain, Dai Shan.'That time, Lan did flinch. How long had it been since someone had been able to do that to him with mere words? He remembered teaching that same concept to a youth out of the Two Rivers. A sheepherder, innocent of the world, fearful of the fate laid out before him by the Pattern.”

“Believing, as they now did, that the heavenly powers took part in human affairs, they became so much absorbed in the cultivation of religion and so deeply imbued with the sense of their religious duties, that the sanctity of an oath had more power to control their lives than the fear of punishment for lawbreaking.”

“[Theseus] soon found himself involved in factions and troubles; those who long had hated him had now added to their hatred contempt; and the minds of the people were so generally corrupted, that, instead of obeying commands with silence, they expected to be flattered into their duty.”

“It is the duty of every man to uphold the dignity of every woman.”