Regular geometry, the geometry of Euclid, is concerned with shapes which are smooth, except perhaps for corners and lines, special lines which are singularities, but some shapes in nature are so complicated that they are equally complicated at the big scale and come closer and closer and they don't become any less complicated.
Benoit MandelbrotIf you have a hammer, use it everywhere you can, but I do not claim that everything is fractal.
Benoit MandelbrotBeing a language, mathematics may be used not only to inform but also, among other things, to seduce.
Benoit MandelbrotThe theory of probability is the only mathematical tool available to help map the unknown and the uncontrollable. It is fortunate that this tool, while tricky, is extraordinarily powerful and convenient.
Benoit Mandelbrot