"Geometrician" Quotes from Famous Books
... It seems that there can be something actually infinite in magnitude. For in mathematics there is no error, since "there is no lie in things abstract," as the Philosopher says (Phys. ii). But mathematics uses the infinite in magnitude; thus, the geometrician in his demonstrations says, "Let this line be infinite." Therefore it is not impossible for a thing to be ... — Summa Theologica, Part I (Prima Pars) - From the Complete American Edition • Thomas Aquinas |