1) Everything should be made as simple as possible, but no simpler.

-Albert Einstein

2) If debugging is the process of removing software bugs, then programming must be the process of putting them in.

-E.W.Dijkstra

3) There are two ways of constructing software design. One way to make it so simple that there are obviously no deficiencies. And the other way is make it so complicated that there are no obvious deficiencies.

-Tony Hoare