You cannot be a true man until you learn to obey. — Robert E. Lee. Confederate States Army general (1807–1870)
Duty then is the sublimest word in the English language. You should do your duty in all things. You can never do more, you should never wish to do less.
True patriotism sometimes requires of men to act exactly contrary, at one period, to that which it does at another, and the motive which impels themthe desire to do rightis precisely the same.
To be a good soldier, you must love the army. To be a good commander, you must be willing to order the death of the thing you love.