A pattern is an idea that has been useful in one practical context and will probably be useful in others.
Martin FowlerI can't choose whether someone is offended by my actions. I can choose whether I care.
Martin FowlerWhen you actually sit down to write some code, you learn things that you didn't get from thinking about them in modeling terms...there is a feedback process there that you can only really get at from executing some things and seeing what works
Martin Fowler