(noun) That which one is morally or legally obligated to do. Example: "We don't have a duty to keep you here."
"Where are our Men of abilities? Why do they not come forth to save their Country?"
"Be with a leader when he is right, stay with him when he is still right, but, leave him when he is wrong."
"Oh, Lizzy! do anything rather than marry without affection."
"Men exist for the sake of one another."
"Human happiness and moral duty are inseparably connected."
"To be humble to superiors is a duty, to equals courtesy, to inferiors nobleness."
"The things that will destroy America are prosperity at any price, peace at any price, safety first instead of duty first and love of soft living and the get-rich-quick theory of life."
"Let us have faith that right makes might; and in that faith let us, to the end, dare to do our duty as we understand it."
"I long to accomplish a great and noble task, but it is my chief duty to accomplish small tasks as if they were great and noble."
"When injustice becomes law, resistance becomes duty."
"To persevere in one's duty, and be silent is the best answer to calumny."
"There is a love of wild nature in everybody, an ancient mother-love showing itself whether recognized or no, and however covered by cares and duties."