David Letterman Quotes: Everyone has a purpose in life. Perhaps yours is watching television. ...

Everyone has a purpose in life. Perhaps yours is watching television. (David Letterman)

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David Letterman Quotes: Everyone has a purpose in life. Perhaps yours is watching television.

David Letterman Quotes: Everyone has a purpose in life. Perhaps yours is watching television.

David Letterman Quotes: Everyone has a purpose in life. Perhaps yours is watching television.

David Letterman Quotes: Everyone has a purpose in life. Perhaps yours is watching television.

David Letterman Quotes: Everyone has a purpose in life. Perhaps yours is watching television.

David Letterman Quotes: Everyone has a purpose in life. Perhaps yours is watching television.

David Letterman Quotes: Everyone has a purpose in life. Perhaps yours is watching television.

David Letterman Quotes: Everyone has a purpose in life. Perhaps yours is watching television.

David Letterman Quotes: Everyone has a purpose in life. Perhaps yours is watching television.

David Letterman Quotes: Everyone has a purpose in life. Perhaps yours is watching television.

David Letterman Quotes: Everyone has a purpose in life. Perhaps yours is watching television.

David Letterman Quotes: Everyone has a purpose in life. Perhaps yours is watching television.

David Letterman Quotes: Everyone has a purpose in life. Perhaps yours is watching television.

David Letterman Quotes: Everyone has a purpose in life. Perhaps yours is watching television.

David Letterman Quotes: Everyone has a purpose in life. Perhaps yours is watching television.