Don’t fix bugs later; fix them now.
Writing Solid Code: Microsoft's Techniques for Developing Bug-Free C Programs by Steve Maguire
ISBN: 1556155514 This book is available from Amazon
Normal people believe that if it ain't broke, don't fix it. Engineers believe that if it ain't broke, it doesn't have enough features yet.
If the code doesn't bother you, don't bother it.
Don't fix it if it ain't broke.