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The title of this book is Clean Architecture. That’s an audacious name. Some would even call it arrogant. So why did I choose that title, and why did I write this book?

This is startling because the systems that I have built have all been so radically different. Why should such different systems all share similar rules of architecture? My conclusion is that the rules of software architecture are independent of every other variable.

It doesn’t take a huge amount of knowledge and skill to get a program working. Kids in high school do it all the time.

 Young men and women in college start billiondollar businesses based on scrabbling together a few lines of PHP or Ruby. Hoards of junior programmers in cube farms around the world slog through massive requirements documents held in huge issue tracking systems to get their systems to “work” by the sheer brute force of will.