זוהר שמות — דף רכה ע”א

The right side always stands to sustain the world and bless it, and the priest from the right is always ready to bless the people. Israel is not counted directly but through a substitute, and that is why redemption stands in place of their census. David sinned by counting Israel without redemption, and seventy thousand men died. The accounting of the Tabernacle was connected to the beginning of the month of Nissan, and contained the secret of Creation from the very beginning.