Mathematics is man's own handiwork, subject only to the limitations imposed by the laws of thought.
Edward KasnerPuzzles are made of the things that the mathematician, no less than the child, plays with, and dreams and wonders about, for they are made of things and circumstances of the world he [or she] live in.
Edward KasnerMathematics is an activity governed by the same rules imposed upon the symphonies of Beethoven, the paintings of DaVinci, and the poetry of Homer.
Edward Kasner