Learn the principle, abide by the principle, and dissolve the principle. In short, enter a mold without being caged in it. Obey the principle without being bound by it. Learn, master, and achieve.Bruce Lee
A man's country is not a certain area of land, of mountains, rivers, and woods, but it is a principle and patriotism is loyalty to that principle.George William Curtis
A thing moderately good is not so good as it ought to be. Moderation in temper is always a virtue; but moderation in principle is always a vice.Thomas Paine
Stand with anybody that stands right, stand with him while he is right and part with him when he goes wrong.Abraham Lincoln
In matters of style, swim with the current; in matters of principle, stand like a rock.Thomas Jefferson