There are different kinds of understanding so there must be different kinds of empathy.
Understand that empathy and sympathy are practically opposites and move in different directions. This is the key to learning how to be and use empathy.
It may be correct to say that the first and last step in becoming a master craftsman of the mind is recognizing the fluid nature of reality. It is both a prerequisite for playing a constructive role in developing your identity, and it is a powerful tool for reshaping your dreams.