Rabash, Shlavey HaSulam (Steps of the Ladder), Article “The Torah Is Called the Middle Line”: One must have faith that there is “None else beside Him,” meaning that only the Creator compels him to do righteous deeds. But since he has not yet merited knowing that he is compelled by the Creator, the Creator clothes in other people [who as though exist outside of a person] and carries out these deeds with their help.
We think that we are surrounded by lots of people, that they influence us in a variety of ways, and that we must react to them. But if we begin to relate to them (“them” meaning the group of people studying Kabbalah, and not the whole outside world) as the Creator’s manifestation, His presence between us, His presentation to us, then as we unite in the group, we begin to study and attain Him.
One must have faith that behind the human images stands the Creator and carries out all the deeds in people.
From Lesson 8, WE! Convention 4/3/2011