Related:

• Carswell's Corollary: Whenever man comes up with a better mousetrap, nature invariably comes up with a better mouse.
• Put up or shut up is the phrase that comes to mind.
• Every morning in Africa, a gazelle wakes up. It knows it must run faster than the fastest lion or it will be killed.
  Every morning a lion wakes up. It knows it must outrun the slowest gazelle or it will starve to death....
• The sun comes up too early for my liking!
• What goes up but never comes down?... Taxes.
• Xerox never comes up with anything original.