Senior Apps Class used proportions to make scale model houses.

If people do not believe that mathematics is simple, it is only because they do not realize how complicated life is.  ~John Louis von Neumann

I never did very well in math - I could never seem to persuade the teacher that I hadn't meant my answers literally.  ~Calvin Trillin

The essence of mathematics is not to make simple things complicated, but to make complicated things simple.  ~S. Gudder