To see a lance in your dream represents initiative and direction. You have set your sight on a goal or path and are taking a firm stance on your beliefs. The lance is also symbolic of masculine power and may have phallic connotations.
To dream that you are wounded by a lance denotes that you have made a poor judgment and are facing the consequences.
To dream that you break a lance signifies that you will succeed in overcoming what was a seemingly impossible task.