As quoted in Introduction to "Knockout" at Unforgivable Blackness at PBS (2005) http://www.pbs.org/unforgivableblackness/knockout/
Jack Johnson: Frases en inglés
On women, as quoted in "Jack's Women" at Unforgivable Blackness at PBS (2005) http://www.pbs.org/unforgivableblackness/knockout/women.html