"Walking on water and developing software from a specification are easy if both are frozen" Edward V Berard
True enough even for when building with Xplan :)
“Quality is never an accident; it is always the result of high intention, sincere effort, intelligent direction and skillful execution; it represents the wise choice of many alternatives.”
"Any fool can write code that a computer can understand. Good programmers write code that humans can understand" even working with Xmerge, this quote has meaning and something to always keep in mind