Related:

• Mix's Law: There is nothing more permanent than a temporary building.
  There is nothing more permanent than a temporary tax....
• Persevering mediocrity is much more respectable, and unspeakably more useful than talented inconstancy.
  -- Dr. James Hamilto...
• All monsters are created evil, but some are more evil than others.
• Felines... nothing more than felines...
• A witty saying proves nothing. -- Voltaire
• Originality is nothing but judicious imitation. -- Voltaire
• A witty saying proves nothing." -- Voltaire