Cat is a symbol of both good fortune and bad luck. Indians believe it to be a bad omen if a cat crosses your way. On the other hand, the ancient Egyptians revered them. It was considered a symbol of fertility and motherhood. People in Thailand also regard them as sacred animals. Cats were a symbol of good luck to the sailors but in the Middle Ages, cats were despised and were associated with the devil and the Catholic Church encouraged their extermination. There are other interpretations too, it depends upon you that which one you accept.