Principle, particularly moral principal, can never be a weathervane, spinning around this way and that with the shifting winds of expediency. Moral principle is a compass forever fixed and forever true. And that is as important in business as it is in the classroom. – Edward R. Lyman

Almost anything that can be praised or advocated has been put to some disgusting use. There is no principle, however immaculate, that has not had its compromising manipulator. – Percy Wynham Lewis

The American doctrinaire is the converse of the American demagogue, and, in this way, is scarcely less injurious to the public. The first deals in poetry, the last in cant. He is as much a visionary on one side, as the extreme theoretical democrat is a visionary on the other. – James Fenimore Cooper