Among the things Billy Pilgrim could not change were the past, the present, and the future. Author: Kurt Vonnegut Jr. Copy Quote More from Kurt Vonnegut Jr. “Billy's smile as he came out of the shrubbery was at least as peculiar as Mona …” “Life goes on- and a fool and his self respect are soon parted...” “Do you realize that all great literature — "Moby Dick," "Huckleberry Finn," "A …” “Enjoy the little things in life because one day you`ll look back and realize th…”