A Falsehood is, in one sense, a dead thing; but too often it moves about, galvanized by self-will, and pushes the living out of their seats.
Samuel Taylor ColeridgeSome persons have contended that mathematics ought to be taught by making the illustrations obvious to the senses. Nothing can be more absurd or injurious: it ought to be our never-ceasing effort to make people think, not feel.
Samuel Taylor Coleridge