Musar su Salmi 77:1

If the repentance is not total G–d withdraws His right hand, מאחור, away from the face of the enemy. The "enemy" is Samael, our perennial accuser and his armies who face us in this world; we know this from the Tikkuney Hazohar who comments on Genesis 16,12 where Hagar is told about the forthcoming birth of Ishmael: על פני כל הארץ ישכון, "He will be at home all over the earth." The significance of the parable describing G–d as withdrawing His right hand backwards is that the left hand normally is employed in adiministering דין, justice, whereas the right hand symbolises חסד, love extended to the חצונים, the קליפות which are known as אחוריים, "the ones behind". Psalm 77,1.1 refers to this idea when the Psalmist says: "I have said that it is my fault that the right hand of the Most High has changed."