Related:

• A span short of a bridge.
• Short attention span tagline.
• Fired from McDonald's for having a short attention span.
• Has the attention span of an overripe grapefruit.
• Some months ago I saw a man breaking a loaf of whole-wheat bread and tossing the pieces at pigeons.
  I was curious and I asked him, "Why whole-wheat bread?...
• Mouse has out-of-cheese-erro
• The average regulation has a life span one-fifth as long as a chimpanzee's and one-tenth as long as a human's -- but four times as long as the official's who created it.
  -- Augustine's Law Number L...
• Life is too short for short people!
• One who contends with immortals lives a very short life. -- Homer, Book V of the Iliad