The vice president has two duties. One is to inquire daily as to the health of the president, and the other is to attend the funerals of third world dictators. And neither of those do I find an enjoyable exercise.
Source, in full
In response to question by Tim Russert on how he would respond if George W. Bush asked him to be his vice presidential running mate in 2000. Interview on Meet the Press. Originally aired 3 March 2000. Aired again as a clip 15 June 2008 (transcript).