I think I exist, therefore I exist. I think. Author: David Gerrold Copy Quote More from David Gerrold “Life is hard. Then you die. Then they throw dirt in your face. Then the worms e…” “A work of art is an act of love. Critics are crab lice.” “I'm all in favor of keeping dangerous weapons out of the hands of fools. Let's …” “I have a very simple philosophy of life:Kindness. Ferocious, unrelenting, ruthl…”