I think I exist, therefore I exist. I think. Author: David Gerrold Copy Quote More from David Gerrold “The secret of the universe is this: The universe doesn't care. That part of the…” “When I was ten years old, one of my friends brought a Shaleenian kangaroo-cat t…” “Life is hard. Then you die. Then they throw dirt in your face. Then the worms e…” “I have a very simple philosophy of life:Kindness. Ferocious, unrelenting, ruthl…”