Never try to outstubborn a cat. Author: Robert A. Heinlein Copy Quote More from Robert A. Heinlein “Never tease an old dog; he might have one bite left.” “Let's skip [Mobile Infantry] tradition for a moment. Can you think of anything …” “English is the largest of human tongues, with several times the vocabulary of t…” “Almost any sect, cult, or religion will legislate its creed into law if it acqu…”