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• Outside of a dog, a book is a man's best friend. Inside a dog it's too dark to read.
• Outside of a dog, a book is man's best friend. Inside of a dog, it is too dark to read.
  -- Groucho Marx...
• Outside of a dog, a book is man's best friend. Inside of a dog, it's too dark to read.
  -- Groucho Marx...
• Outside of a dog, a book is a man's best friend: and inside a dog, it's too dark to read.
  -- Groucho Marx...
• Quote #429 Outside of a dog, a book is man's best friend.
  Inside a dog, it's too dark to read. -- Groucho Marx...
• Outside of a dog, a book is a man's best friend. Inside of a dog, it's too dark to read.
  -- Groucho Marx, 1890-1977...
• Outside of a dog, a book is a man's best friend: and inside a dog, it's too dark to read.
  -- Groucho Marx...
• Outside of a dog, a book is your best friend, and inside of a dog, it's too dark to read.
  --Groucho Marx...
• A dog is a man's best friend