Love can do much, but duty more.
They held it their duty to live but for their country.
Justice is the sum of all moral duty.
He has no right to his life when his duty calls him to resign it. Other men are bound... to deprive him of life or liberty, if that should appear in any case to be indispensably necessary to prevent a greater evil.
It is the duty of government to make it difficult for people to do wrong, easy to do right.
The first duty of a human being is to assume the right functional relationship to society - more briefly, to find your real job, and do it.
The one predominant duty is to find one's work and do it.
If you have more money than you need, you have to give it away. It's a duty. I get to choose whom to sponsor, and I like to give to the areas that I know something about.
When the fabric of the universe becomes unknown, it is the duty of the university to produce weavers.
Abasement, degradation is simply the manner of life of the man who has refused to be what it is his duty to be.
The chief duty of government is to keep the peace and stand out of the sunshine of the people.
I don't understand people who like to work and talk about it like it was some sort of goddamn duty. Doing nothing feels like floating on warm water to me. Delightful, perfect.
Rights that do not flow from duty well performed are not worth having.
Non-cooperation with evil is as much a duty as is cooperation with good.
If co-operation is a duty, I hold that non-co-operation also under certain conditions is equally a duty.