> 6.- Design on paper doesn't work. Some of the very best programmers in history (Don Knuth, Jean Ichbiah) designed some of their best known programs on paper.

> 6.- Design on paper doesn't work. Some of the very best programmers in history (Don Knuth, Jean Ichbiah) designed some of their best known programs on paper. Ah, but I forgot rule 1: > 1.- We're always wrong. Then it makes sense.