Quoted in People, 26 Dec. 1977. Although now associated with Tomlin, this saying appears anonymously in Robert Reisner, Graffiti (1971), in the form "Remember, even if you win the rat race - you're still a rat." Rosalie Maggio, in New Beacon Book of Quotations by Women, states that William Sloane Coffin said "Even if you win the rat-race, you're still a rat" as a chaplain at Williams College or Yale University in the 1950s or 1960s.
Brian Tracy (2004). “Focal Point: A Proven System to Simplify Your Life, Double Your Productivity, and Achieve All Your Goals”, p.63, AMACOM Div American Mgmt Assn
Oscar Wilde, Russell Jackson, Joseph Bristow, Ian Small (2000). “The Complete Works of Oscar Wilde: The picture of Dorian Gray : the 1890 and 1891 texts”, p.183, Oxford University Press on Demand