Rat, because: Moral: The twelve zodiac signs in China are opposite to each other, and the six divisions in the wheel of karma condense all the expectations and demands of our ancestors in China. The first group: rats and cows. Rats represent wisdom and cows represent diligence. The two must be closely combined. Only wisdom is not diligent, it will become smart. As long as you are diligent and don't think, you will