A goal is not a goal unless you put it within a specific time frame. You have to set a specific period as to when this objective should be accomplished. Setting a time frame is useful in two ways. First, it helps you monitor your progress towards your goal. Second, having a deadline will keep you working towards your goal; people are known to be more motivated when working against a deadline. Without a time limit you will not have any sense of urgency to act and you will likely fail to attain your goals.