When he then becomes worthy of permanently purifying the human aspect of his desire to receive, he gains the equation of form with the world of Atzilut. He ascends and receives permanently the light of Ḥaya. When he is even more worthy, he becomes worthy of the light of the Ein Sof and the light of Yeḥida that is enclothed in the light of Ḥaya. This is not the place to expand on this.