Related:

• No sentence fragments. -- Grammar rules for the unenlightened Complete sentence
  important. -- Corollary...
• A preposition is a bad thing to end a sentence with. -- Grammar rules for the unenlightened
• Death to intolerance. -- Grammar rules for the unenlightened
• Don't be terse. -- Grammar rules for the unenlightened
• Anarchy should be the law. -- Grammar rules for the unenlightened -- Corollary
  I will establish democracy by dictatorial decree....
• Avoid cliches like the plague. -- Grammar rules for the unenlightened
• Don't use no double negatives -- Grammar rules for the unenlightened
• Down with categorical imperatives. -- Grammar rules for the unenlightened
• Everyone should be a non-conformist. -- Grammar rules for the unenlightened