“I'm not afraid of death because I don't believe in it.
It's just getting out of one car, and into another.”

After hearing Walter Earl Brown's If I Can Dream, the song inspired on Martin Luther King Jr. that would close Elvis' comeback show in 1968, and the phrase was remarked to its producer, Steve Binder. http://elvis-tkc.com/forum2/lofiversion/index.php/t15948.html

Quoted in: The New Bajan, (1990) p. 22

Source: 61 Hours

The day I stood up alone

Statement at age 80 in The New York Times (3 April 1970)

Source: Sylvia cartoon strip, p. 119

he asked. "Just because I don't believe in him?" The Independent, The Independent, Professor Sidney Morgenbesser: Philosopher celebrated for his withering New York Jewish humour http://www.independent.co.uk/news/obituaries/professor-sidney-morgenbesser-550224.html, 6 August 2004. The Times, Sidney Morgenbesser: Erudite and influential American linguistic philosopher with the analytical acuity of Spinoza and the blunt wit of Groucho Marx https://www.thetimes.co.uk/article/sidney-morgenbesser-5cz8gg8qfvm (September 8, 2004). Obituaries – Sidney Morgenbesser, 82, Kibitzing Philosopher, Dies http://www.nytimes.com/2004/08/04/obituaries/04morgenbesser.html. The New York Times (September 8, 2004).

Source: Wall and Piece

As quoted in "Christmas with Christopher Hitchens", by Gregg LaGambina, The A.V. Club (20 December 2007) http://www.avclub.com/article/christmas-with-christopher-hitchens-14189
2000s, 2007