Mathematicians enjoy thinking about the simplest possible things, and the simplest possible things are imaginary.
Paul LockhartThere is nothing as dreamy and poetic, nothing as radical, subversive, and psychedelic, as mathematics.
Paul LockhartIn any case, do you really think kids even want something that is relevant to their daily lives? You think something practical like compound interest is going to get them excited? People enjoy fantasy, and that is just what mathematics can provide - a relief from daily life, an anodyne to the practical workaday world.
Paul Lockhart