Any fool can write code that a computer can understand. Good programmers write code that humans can understand. - Kent Beck

The business changes. The technology changes. The team changes. The team members change. The problem isn't change, per se, because change is going to happen; the problem, rather, is the inability to cope with change when it comes.

Refactoring (noun) : a change made to the internal structure of software to make it easier to understand and cheaper to modify without changing the observable behavior of the software. To refactor (verb) : to restructure software by applying a series of refactorings without changing the observable behavior of the software.

I'm not a great programmer; I'm just a good programmer with great habits.