Technical Debt

When it comes time to pay down your technical debt, don't be afraid to break stuff. It's liberating, even energizing to tear down code in order to build it up stronger and better than it was before. Be brave, and realize that paying your technical debt every so often is a normal, necessary part of the software development cycle to avert massive interest payments later. After all, who wants to live forever?

http://www.codinghorror.com/blog/2009/02/paying-down-your-technical-debt.html