“Humanity is the cancer of nature.”
“humanity is a cancer on the body of the world”
“...humanity is a disease, a cancer on the body of the world.”
“Nature: that lovely lady to whom we owe polio, leprosy, smallpox, syphilis, tuberculosis, cancer. ”
“It was just the human fatality of things, a cancer worse than blame, or hate or love.”
“The Great Change is when humankind accepts its role as part of the natural order of the universe instead of its role as a cancer”