No matter how slow you are writing clean code, you will always be slower if you make a mess.
Robert Cecil "Uncle Bob" Martin
American software professional, international software consultant and author. Colloquially known as Uncle Bob. Regular speaker at conferences and trade shows. Co-author of the Agile Manifesto, served as the first chairman of the Agile Alliance. Leading member of the Worldwide Software Craftsmanship Movement - Clean Code. Author of "landmark" books on Agile Programming, Extreme Programming, UML, Object-Oriented Programming, C++ Programming and most recently Clean Code and Clean Coder.