garadinervi: John Cage, (1967, 1968, 1972, 1982), Diary: How to improve the world (You will only mak
garadinervi: John Cage, (1967, 1968, 1972, 1982), Diary: How to improve the world (You will only make matters worse), Edited by Richard Kraft and Joe Biel, Siglio Press, Catskill, NY, 2015 -- source link