Related:

• Walking on water wasn't built in a day. -- Jack Kerouac
• Memory flaw - core dumped.
• ...the flaw that makes perfection perfect.
• Nature always sides with the hidden flaw.
• That is the key to history. Terrific energy is expended, civilizations are built up, excellent institutions devised
  but each time something goes wrong. Some fatal flaw always brings the selfish and cruel people to the top, and then it all slides back into misery and ruin....