Exactness and neatness in moderation is a virtue, but carried to extremes narrows the mind.
Francois FenelonAnybody whose mind is functioning at all can't be content with the way the world works.
Frederick WisemanThe object of opening the mind, as of opening the mouth, is to shut it again on something solid.
Gilbert K. ChestertonThe pendulum of the mind alternates between sense and nonsense, not between right and wrong.
Carl Jung