“In the practical world of computing, it is rather uncommon that a program, once it performs correctly and satisfactorily, remains unchanged forever.”— Niklaus Wirth
“Always write code as if the guy who ends up maintaining your code will be a violent psychopath who knows where you live.”— Bjarne Stroustrup
“Maintenance is a low-key, slow-motion, but completely essential form of innovation.”— Stewart Brand