Related:

• You never find a lost article until you replace it.
• Natalie's Law of Algebra: You never catch on until after the test.
• You never catch on until after the test. -- Natalie's Law of Schoolwork
• To kill an enterprise, complain that nothing is ever published that interests you but never offer to write an article, make a suggestion, or find a writer.
  -- Jean-Charles Terrassie...
• Johnson's Third Law: If you miss one issue of any magazine, it will be the issue which contained the article, story or installment you were most anxious to read.
  Corollary: All of your friends either missed it, lost it or threw it out....
• Never mind the monsters hitting you: they just replace the charwomen.
• You will never know until you have found out, and when you do find out, you may well wish you had not known.
• Grandpa Charnock's Law: You never really learn to swear until you learn to drive.