What is the meaning of following from a fortune cookie if your in 3 pieces answer no?

The fortune cookie proverb "If in doubt, the answer is no" implies that when faced with a difficult decision or uncertain situation, it is often better to err on the side of caution and choose the option that involves less risk or potential harm. It suggests that it is wiser to avoid taking a chance in uncertain circumstances and rather choose the path that is known to be safe or more reliable.