Difficult. Because, unless you leave the self, destroy the self, how else can you know the will of the God? How can a drop of water know about the sea unless it loses itself into the ocean?
Unless you lose yourself, you will not know what the will of God is. Once you have surrendered,
You will have no desire, you will have no desire to know either, there is no question to know, and then you will have no feeling to burden yourself to fulfill your desire either.
You are just a resource for the source to act as per the will of the source.
तेरा तुझको सौंप दे क्या लागत है मोर
मेरा मुझसे कुछ नाही है जो होवत सो तोर