Related:

• Design: What you regret not doing later on.
• What's that watermelon doing there? Tell you later? -- ? -- Buckaroo Banzai
• Riker: "We might regret this." Ro: "Regret *what*? Aren't you being a little presumptuous?
  -- "Conundrum", Stardate 45494.2...
• If you marry you will regret it. If you do not marry, you will also regret it.
• I'll play it first and tell you what it is later.
• In success there's a tendency to keep on doing what you were doing. -- Alan Kay
• einvent the wheel v. To design or implement a tool equivalent to an existing one or part of one, with the implication that doing so is silly or a waste of time.
  This is often a valid criticism. On the other hand, automobiles don't use wooden rollers, and some kinds of wheel have to be reinvented many times before you get them right....