It means that God's Creation has not its source in any necessity; it comes from his fullness of joy; it is his love that creates, therefore in Creation is his own revealment.
Our existence as embodied beings is purely momentary; what are a hundred years in eternity? But if we shatter the chains of egotism, and melt into the ocean of humanity, we share its dignity. To feel that we are something is to set up a barrier between God and ourselves; to cease feeling that we are something, is to become one with God.
True deliverance of man is the deliverance from Avidya i.e. ignorance. It is not in destroying anything that is positive and real, for that cannot be possible, but that which is negative, which obstructs our vision of truth.