Egyptian Magic in Egyptian Magic by Florence Farr.

“We also perform such things as he suggests to our intellect, and he continues to govern us till, through sacerdotal theurgy, we obtain a God for the inspective guardian and leader of the soul. For then the Daimon either yields or delivers his government to a more excellent nature, or is subjected to him as contributing to his guardianship, or in some other way is ministrant to him as to his Lord.'” [via]