The worst of doing one's duty was that it apparently unfitted one for doing anything else.
Edith Wharton

Spreading the news is your duty as a Christian, and there are many ways to do this.
Nicholas Sparks

The preservation of health is a duty. Few seem conscious that there is such a thing as physical morality.
Herbert Spencer

For myself, therefore, I desire to declare that the principle that will govern me in the high duty to which my country calls me is a strict adherence to the letter and spirit of the Constitution as it was designed by those who framed it.
Martin Van Buren

Abasement, degradation is simply the manner of life of the man who has refused to be what it is his duty to be.
Jose Ortega y Gasset

The duty of man is the same in respect to his own nature as in respect to the nature of all other things, namely not to follow it but to amend it.
John Stuart Mill

I think I have a duty as a recovering guy to help, to make my knowledge of what I went through accessible.
Charlie Sheen

Evil, when we are in its power, is not felt as evil, but as a necessity, even a duty.
Simone Weil

The statesman's duty is to bridge the gap between his nation's experience and his vision.
Henry A. Kissinger

For it is the duty of an astronomer to compose the history of the celestial motions through careful and expert study.
Nicolaus Copernicus

When the will defies fear, when duty throws the gauntlet down to fate, when honor scorns to compromise with death - that is heroism.
Robert Green Ingersoll

The wretched have no compassion, they can do good only from strong principles of duty.
Samuel Johnson

Duty is the great business of a sea officer; all private considerations must give way to it, however painful it may be.
Horatio Nelson

England expects that every man will do his duty.
Horatio Nelson

Now I can do no more. We must trust to the Great Disposer of all events and the justice of our cause. I thank God for this opportunity of doing my duty.
Horatio Nelson

When you go into court you are putting your fate into the hands of twelve people who weren't smart enough to get out of jury duty.
Norm Crosby

When law and duty are one, united by religion, you never become fully conscious, fully aware of yourself. You are always a little less than an individual.
Frank Herbert

I love the line of Flaubert about observing things very intensely. I think our duty as writers begins not with our own feelings, but with the powers of observing.
Mary Oliver

It is often laziness and timidity that keep us within our duty while virtue gets all the credit.
Francois de La Rochefoucauld

With faith, discipline and selfless devotion to duty, there is nothing worthwhile that you cannot achieve.
Muhammad Ali Jinnah